145914872 has 16 divisors (see below), whose sum is σ = 275746560. Its totient is φ = 72382464.

The previous prime is 145914841. The next prime is 145914887. The reversal of 145914872 is 278419541.

It is a super-2 number, since 2×145914872² = 42582299741552768, which contains 22 as substring.

It is a congruent number.

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, 70793 + ... + 72824.

It is an arithmetic number, because the mean of its divisors is an integer number (17234160).

Almost surely, 2^145914872 is an apocalyptic number.

It is an amenable number.

145914872 is a deficient number, since it is larger than the sum of its proper divisors (129831688).

145914872 is a wasteful number, since it uses less digits than its factorization.

145914872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143750 (or 143746 counting only the distinct ones).

The product of its digits is 80640, while the sum is 41.

The square root of 145914872 is about 12079.5228382581. The cubic root of 145914872 is about 526.4613820108.

The spelling of 145914872 in words is "one hundred forty-five million, nine hundred fourteen thousand, eight hundred seventy-two".