45146545252531 has 8 divisors (see below), whose sum is σ = 45236341337040. Its totient is φ = 45056753480928.

The previous prime is 45146545252507. The next prime is 45146545252577. The reversal of 45146545252531 is 13525254564154.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45146545252531 - 2²¹ = 45146543155379 is a prime.

It is a super-2 number, since 2×45146545252531² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45146545202531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20299120 + ... + 22413106.

It is an arithmetic number, because the mean of its divisors is an integer number (5654542667130).

Almost surely, 2^{45146545252531} is an apocalyptic number.

45146545252531 is a deficient number, since it is larger than the sum of its proper divisors (89796084509).

45146545252531 is a wasteful number, since it uses less digits than its factorization.

45146545252531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2156453.

The product of its digits is 14400000, while the sum is 52.

The spelling of 45146545252531 in words is "forty-five trillion, one hundred forty-six billion, five hundred forty-five million, two hundred fifty-two thousand, five hundred thirty-one".