145915752 has 16 divisors (see below), whose sum is σ = 364789440. Its totient is φ = 48638576.

The previous prime is 145915741. The next prime is 145915789. The reversal of 145915752 is 257519541.

It is a self number, because there is not a number n which added to its sum of digits gives 145915752.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3039888 + ... + 3039935.

It is an arithmetic number, because the mean of its divisors is an integer number (22799340).

Almost surely, 2^145915752 is an apocalyptic number.

145915752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145915752 is an abundant number, since it is smaller than the sum of its proper divisors (218873688).

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

145915752 is a wasteful number, since it uses less digits than its factorization.

145915752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6079832 (or 6079828 counting only the distinct ones).

The product of its digits is 63000, while the sum is 39.

The square root of 145915752 is about 12079.5592634831. The cubic root of 145915752 is about 526.4624403563.

The spelling of 145915752 in words is "one hundred forty-five million, nine hundred fifteen thousand, seven hundred fifty-two".