45311142 has 32 divisors (see below), whose sum is σ = 92282112. Its totient is φ = 14829984.

The previous prime is 45311129. The next prime is 45311159. The reversal of 45311142 is 24111354.

45311142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96793 + ... + 97259.

It is an arithmetic number, because the mean of its divisors is an integer number (2883816).

Almost surely, 2^45311142 is an apocalyptic number.

45311142 is an abundant number, since it is smaller than the sum of its proper divisors (46970970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45311142 is a wasteful number, since it uses less digits than its factorization.

45311142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732.

The product of its digits is 480, while the sum is 21.

The square root of 45311142 is about 6731.3551384547. The cubic root of 45311142 is about 356.5072252482.

Adding to 45311142 its reverse (24111354), we get a palindrome (69422496).

The spelling of 45311142 in words is "forty-five million, three hundred eleven thousand, one hundred forty-two".