Search a number
-
+
145343625 = 3537173257
BaseRepresentation
bin10001010100111…
…00010010001001
3101010111012222020
420222130102021
5244201444000
622231115053
73413254230
oct1052342211
9333435866
10145343625
11750518a9
1240812a89
132415b65b
1415435b17
15cb5eba0
hex8a9c489

145343625 has 64 divisors (see below), whose sum is σ = 292750848. Its totient is φ = 62515200.

The previous prime is 145343623. The next prime is 145343629. The reversal of 145343625 is 526343541.

It is not a de Polignac number, because 145343625 - 21 = 145343623 is a prime.

It is a super-2 number, since 2×1453436252 = 42249538656281250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145343623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 42997 + ... + 46253.

It is an arithmetic number, because the mean of its divisors is an integer number (4574232).

Almost surely, 2145343625 is an apocalyptic number.

145343625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145343625 is an abundant number, since it is smaller than the sum of its proper divisors (147407223).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145343625 is a wasteful number, since it uses less digits than its factorization.

145343625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3299 (or 3289 counting only the distinct ones).

The product of its digits is 43200, while the sum is 33.

The square root of 145343625 is about 12055.8543869773. The cubic root of 145343625 is about 525.7734631004.

The spelling of 145343625 in words is "one hundred forty-five million, three hundred forty-three thousand, six hundred twenty-five".

Divisors: 1 3 5 7 15 17 21 25 35 51 75 85 105 119 125 175 255 357 375 425 525 595 875 1275 1785 2125 2625 2975 3257 6375 8925 9771 14875 16285 22799 44625 48855 55369 68397 81425 113995 166107 244275 276845 341985 387583 407125 569975 830535 1162749 1221375 1384225 1709925 1937915 2849875 4152675 5813745 6921125 8549625 9689575 20763375 29068725 48447875 145343625