42552530145 has 32 divisors (see below), whose sum is σ = 75752323200. Its totient is φ = 22663668672.

The previous prime is 42552530117. The next prime is 42552530191. The reversal of 42552530145 is 54103525524.

42552530145 is a `hidden beast` number, since 42 + 552 + 53 + 0 + 14 + 5 = 666.

It is not a de Polignac number, because 42552530145 - 2⁵ = 42552530113 is a prime.

It is a super-2 number, since 2×42552530145² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116055 + ... + 313964.

It is an arithmetic number, because the mean of its divisors is an integer number (2367260100).

Almost surely, 2^42552530145 is an apocalyptic number.

42552530145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42552530145 is a deficient number, since it is larger than the sum of its proper divisors (33199793055).

42552530145 is a wasteful number, since it uses less digits than its factorization.

42552530145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430766 (or 430760 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 42552530145 in words is "forty-two billion, five hundred fifty-two million, five hundred thirty thousand, one hundred forty-five".