45342131555 has 32 divisors (see below), whose sum is σ = 65924321280. Its totient is φ = 29275551360.

The previous prime is 45342131551. The next prime is 45342131561. The reversal of 45342131555 is 55513124354.

It is not a de Polignac number, because 45342131555 - 2² = 45342131551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45342131551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 524585 + ... + 604874.

It is an arithmetic number, because the mean of its divisors is an integer number (2060135040).

Almost surely, 2^45342131555 is an apocalyptic number.

45342131555 is a deficient number, since it is larger than the sum of its proper divisors (20582189725).

45342131555 is a wasteful number, since it uses less digits than its factorization.

45342131555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129539.

The product of its digits is 180000, while the sum is 38.

The spelling of 45342131555 in words is "forty-five billion, three hundred forty-two million, one hundred thirty-one thousand, five hundred fifty-five".