153972530451 has 16 divisors (see below), whose sum is σ = 235465758720. Its totient is φ = 99337115880.

The previous prime is 153972530381. The next prime is 153972530461. The reversal of 153972530451 is 154035279351.

153972530451 is a `hidden beast` number, since 1 + 5 + 3 + 9 + 72 + 530 + 45 + 1 = 666.

It is not a de Polignac number, because 153972530451 - 2⁹ = 153972529939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 153972530397 and 153972530406.

It is not an unprimeable number, because it can be changed into a prime (153972530461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91977975 + ... + 91979648.

It is an arithmetic number, because the mean of its divisors is an integer number (14716609920).

Almost surely, 2^153972530451 is an apocalyptic number.

153972530451 is a deficient number, since it is larger than the sum of its proper divisors (81493228269).

153972530451 is a wasteful number, since it uses less digits than its factorization.

153972530451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183957663 (or 183957657 counting only the distinct ones).

The product of its (nonzero) digits is 567000, while the sum is 45.

The spelling of 153972530451 in words is "one hundred fifty-three billion, nine hundred seventy-two million, five hundred thirty thousand, four hundred fifty-one".