45251542 has 32 divisors (see below), whose sum is σ = 80766720. Its totient is φ = 18604320.

The previous prime is 45251539. The next prime is 45251573. The reversal of 45251542 is 24515254.

It is a self number, because there is not a number n which added to its sum of digits gives 45251542.

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, 91917 + ... + 92407.

It is an arithmetic number, because the mean of its divisors is an integer number (2523960).

Almost surely, 2^45251542 is an apocalyptic number.

45251542 is a deficient number, since it is larger than the sum of its proper divisors (35515178).

45251542 is a wasteful number, since it uses less digits than its factorization.

45251542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756.

The product of its digits is 8000, while the sum is 28.

The square root of 45251542 is about 6726.9266385178. The cubic root of 45251542 is about 356.3508460987.

Adding to 45251542 its reverse (24515254), we get a palindrome (69766796).

The spelling of 45251542 in words is "forty-five million, two hundred fifty-one thousand, five hundred forty-two".