145972956 has 24 divisors (see below), whose sum is σ = 348912144. Its totient is φ = 47470720.

The previous prime is 145972949. The next prime is 145972963. The reversal of 145972956 is 659279541.

It is an interprime number because it is at equal distance from previous prime (145972949) and next prime (145972963).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147855 + ... + 148838.

It is an arithmetic number, because the mean of its divisors is an integer number (14538006).

Almost surely, 2^145972956 is an apocalyptic number.

It is an amenable number.

145972956 is an abundant number, since it is smaller than the sum of its proper divisors (202939188).

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

145972956 is a wasteful number, since it uses less digits than its factorization.

145972956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296741 (or 296739 counting only the distinct ones).

The product of its digits is 680400, while the sum is 48.

The square root of 145972956 is about 12081.9268330842. The cubic root of 145972956 is about 526.5312285039.

The spelling of 145972956 in words is "one hundred forty-five million, nine hundred seventy-two thousand, nine hundred fifty-six".