45208522 has 4 divisors (see below), whose sum is σ = 67812786. Its totient is φ = 22604260.

The previous prime is 45208519. The next prime is 45208531. The reversal of 45208522 is 22580254.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 27154521 + 18054001 = 5211^2 + 4249^2 .

It is a super-2 number, since 2×45208522² = 4087620922848968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11302129 + ... + 11302132.

Almost surely, 2^45208522 is an apocalyptic number.

45208522 is a deficient number, since it is larger than the sum of its proper divisors (22604264).

45208522 is a wasteful number, since it uses less digits than its factorization.

45208522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22604263.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 45208522 is about 6723.7282812440. The cubic root of 45208522 is about 356.2378843935.

Adding to 45208522 its reverse (22580254), we get a palindrome (67788776).

The spelling of 45208522 in words is "forty-five million, two hundred eight thousand, five hundred twenty-two".