145836972 has 36 divisors (see below), whose sum is σ = 369045040. Its totient is φ = 48559392.

The previous prime is 145836961. The next prime is 145836983. The reversal of 145836972 is 279638541.

145836972 is a `hidden beast` number, since 1 + 4 + 583 + 69 + 7 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (145836961) and next prime (145836983).

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 45354 + ... + 48462.

Almost surely, 2^145836972 is an apocalyptic number.

145836972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145836972 is an abundant number, since it is smaller than the sum of its proper divisors (223208068).

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

145836972 is a wasteful number, since it uses less digits than its factorization.

145836972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4422 (or 4417 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 145836972 is about 12076.2979426644. The cubic root of 145836972 is about 526.3676775068.

The spelling of 145836972 in words is "one hundred forty-five million, eight hundred thirty-six thousand, nine hundred seventy-two".