45315542 has 8 divisors (see below), whose sum is σ = 68043456. Its totient is φ = 22634392.

The previous prime is 45315541. The next prime is 45315559. The reversal of 45315542 is 24551354.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45315541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9158 + ... + 13209.

It is an arithmetic number, because the mean of its divisors is an integer number (8505432).

Almost surely, 2^45315542 is an apocalyptic number.

45315542 is a deficient number, since it is larger than the sum of its proper divisors (22727914).

45315542 is a wasteful number, since it uses less digits than its factorization.

45315542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23382.

The product of its digits is 12000, while the sum is 29.

The square root of 45315542 is about 6731.6819592135. The cubic root of 45315542 is about 356.5187645809.

Adding to 45315542 its reverse (24551354), we get a palindrome (69866896).

The spelling of 45315542 in words is "forty-five million, three hundred fifteen thousand, five hundred forty-two".