45531342 has 16 divisors (see below), whose sum is σ = 101180880. Its totient is φ = 15177096.

The previous prime is 45531337. The next prime is 45531359. The reversal of 45531342 is 24313554.

45531342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 7 ways as a sum of consecutive naturals, for example, 421533 + ... + 421640.

It is an arithmetic number, because the mean of its divisors is an integer number (6323805).

Almost surely, 2^45531342 is an apocalyptic number.

45531342 is an abundant number, since it is smaller than the sum of its proper divisors (55649538).

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

45531342 is a wasteful number, since it uses less digits than its factorization.

45531342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843184 (or 843178 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 45531342 is about 6747.6916052825. The cubic root of 45531342 is about 357.0838020908.

Adding to 45531342 its reverse (24313554), we get a palindrome (69844896).

The spelling of 45531342 in words is "forty-five million, five hundred thirty-one thousand, three hundred forty-two".