45042522 has 32 divisors (see below), whose sum is σ = 104648064. Its totient is φ = 12657600.

The previous prime is 45042511. The next prime is 45042541. The reversal of 45042522 is 22524054.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 45042492 and 45042501.

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, 6229 + ... + 11352.

It is an arithmetic number, because the mean of its divisors is an integer number (3270252).

Almost surely, 2^45042522 is an apocalyptic number.

45042522 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

45042522 is an abundant number, since it is smaller than the sum of its proper divisors (59605542).

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

45042522 is a wasteful number, since it uses less digits than its factorization.

45042522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17654.

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

The square root of 45042522 is about 6711.3725868856. The cubic root of 45042522 is about 355.8013294141.

Adding to 45042522 its reverse (22524054), we get a palindrome (67566576).

The spelling of 45042522 in words is "forty-five million, forty-two thousand, five hundred twenty-two".