Search a number
-
+
145415235 = 3575923473
BaseRepresentation
bin10001010101011…
…01110001000011
3101010121212012110
420222231301003
5244211241420
622232430403
73414003060
oct1052556103
9333555173
10145415235
11750a0689
1240848403
1324185124
1415453c67
15cb75ee0
hex8aadc43

145415235 has 32 divisors (see below), whose sum is σ = 270420480. Its totient is φ = 65346048.

The previous prime is 145415201. The next prime is 145415243. The reversal of 145415235 is 532514541.

It is not a de Polignac number, because 145415235 - 27 = 145415107 is a prime.

It is a super-2 number, since 2×1454152352 = 42291181140210450, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5542 + ... + 17931.

It is an arithmetic number, because the mean of its divisors is an integer number (8450640).

Almost surely, 2145415235 is an apocalyptic number.

145415235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145415235 is a deficient number, since it is larger than the sum of its proper divisors (125005245).

145415235 is a wasteful number, since it uses less digits than its factorization.

145415235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23547.

The product of its digits is 12000, while the sum is 30.

The square root of 145415235 is about 12058.8239476327. The cubic root of 145415235 is about 525.8597974820.

Adding to 145415235 its reverse (532514541), we get a palindrome (677929776).

The spelling of 145415235 in words is "one hundred forty-five million, four hundred fifteen thousand, two hundred thirty-five".

Divisors: 1 3 5 7 15 21 35 59 105 177 295 413 885 1239 2065 6195 23473 70419 117365 164311 352095 492933 821555 1384907 2464665 4154721 6924535 9694349 20773605 29083047 48471745 145415235