45004542 has 32 divisors (see below), whose sum is σ = 103970304. Its totient is φ = 12835200.

The previous prime is 45004523. The next prime is 45004567. The reversal of 45004542 is 24540054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18934 + ... + 21177.

It is an arithmetic number, because the mean of its divisors is an integer number (3249072).

Almost surely, 2^45004542 is an apocalyptic number.

45004542 is an abundant number, since it is smaller than the sum of its proper divisors (58965762).

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

45004542 is a wasteful number, since it uses less digits than its factorization.

45004542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40144.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 45004542 is about 6708.5424646491. The cubic root of 45004542 is about 355.7012970163.

Adding to 45004542 its reverse (24540054), we get a palindrome (69544596).

The spelling of 45004542 in words is "forty-five million, four thousand, five hundred forty-two".