145824015972 has 24 divisors (see below), whose sum is σ = 340286247616. Its totient is φ = 48603689568.

The previous prime is 145824015949. The next prime is 145824016081. The reversal of 145824015972 is 279510428541.

It is a super-2 number, since 2×145824015972² (a number of 23 digits) contains 22 as substring.

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, 397183 + ... + 670374.

Almost surely, 2^145824015972 is an apocalyptic number.

145824015972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145824015972 is an abundant number, since it is smaller than the sum of its proper divisors (194462231644).

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

145824015972 is a wasteful number, since it uses less digits than its factorization.

145824015972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078947 (or 1078945 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 48.

The spelling of 145824015972 in words is "one hundred forty-five billion, eight hundred twenty-four million, fifteen thousand, nine hundred seventy-two".