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145501995 = 3512776379
BaseRepresentation
bin10001010110000…
…10111100101011
3101010210021012210
420223002330223
5244222030440
622234340203
73414514032
oct1053027453
9333707183
10145501995
117514a891
124088a663
13241b5772
1415477719
15cb91a80
hex8ac2f2b

145501995 has 16 divisors (see below), whose sum is σ = 234639360. Its totient is φ = 76989024.

The previous prime is 145501987. The next prime is 145501999. The reversal of 145501995 is 599105541.

145501995 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145501995 - 23 = 145501987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145501999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36285 + ... + 40094.

It is an arithmetic number, because the mean of its divisors is an integer number (14664960).

Almost surely, 2145501995 is an apocalyptic number.

145501995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145501995 is a deficient number, since it is larger than the sum of its proper divisors (89137365).

145501995 is a wasteful number, since it uses less digits than its factorization.

145501995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76514.

The product of its (nonzero) digits is 40500, while the sum is 39.

The square root of 145501995 is about 12062.4207769419. The cubic root of 145501995 is about 525.9643590283.

The spelling of 145501995 in words is "one hundred forty-five million, five hundred one thousand, nine hundred ninety-five".

Divisors: 1 3 5 15 127 381 635 1905 76379 229137 381895 1145685 9700133 29100399 48500665 145501995