30242172153537 has 64 divisors (see below), whose sum is σ = 46298014464000. Its totient is φ = 19502272805184.

The previous prime is 30242172153521. The next prime is 30242172153563. The reversal of 30242172153537 is 73535127124203.

30242172153537 is a `hidden beast` number, since 3 + 0 + 2 + 42 + 1 + 7 + 21 + 53 + 537 = 666.

It is not a de Polignac number, because 30242172153537 - 2⁴ = 30242172153521 is a prime.

It is a super-2 number, since 2×30242172153537² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30242172153492 and 30242172153501.

It is not an unprimeable number, because it can be changed into a prime (30242172153637) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25173414 + ... + 26347392.

It is an arithmetic number, because the mean of its divisors is an integer number (723406476000).

Almost surely, 2^{30242172153537} is an apocalyptic number.

It is an amenable number.

30242172153537 is a deficient number, since it is larger than the sum of its proper divisors (16055842310463).

30242172153537 is a wasteful number, since it uses less digits than its factorization.

30242172153537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174307 (or 1174301 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 45.

The spelling of 30242172153537 in words is "thirty trillion, two hundred forty-two billion, one hundred seventy-two million, one hundred fifty-three thousand, five hundred thirty-seven".