145974156 has 12 divisors (see below), whose sum is σ = 340606392. Its totient is φ = 48658048.

The previous prime is 145974149. The next prime is 145974167. The reversal of 145974156 is 651479541.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 6082245 + ... + 6082268.

It is an arithmetic number, because the mean of its divisors is an integer number (28383866).

Almost surely, 2^145974156 is an apocalyptic number.

It is an amenable number.

145974156 is an abundant number, since it is smaller than the sum of its proper divisors (194632236).

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

145974156 is a wasteful number, since it uses less digits than its factorization.

145974156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12164520 (or 12164518 counting only the distinct ones).

The product of its digits is 151200, while the sum is 42.

The square root of 145974156 is about 12081.9764939351. The cubic root of 145974156 is about 526.5326713185.

The spelling of 145974156 in words is "one hundred forty-five million, nine hundred seventy-four thousand, one hundred fifty-six".