45531404 has 6 divisors (see below), whose sum is σ = 79679964. Its totient is φ = 22765700.

The previous prime is 45531403. The next prime is 45531419. The reversal of 45531404 is 40413554.

It is a super-2 number, since 2×45531404² = 4146217500422432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45531403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5691422 + ... + 5691429.

It is an arithmetic number, because the mean of its divisors is an integer number (13279994).

Almost surely, 2^45531404 is an apocalyptic number.

It is an amenable number.

45531404 is a deficient number, since it is larger than the sum of its proper divisors (34148560).

45531404 is a wasteful number, since it uses less digits than its factorization.

45531404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11382855 (or 11382853 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 45531404 is about 6747.6961994447. The cubic root of 45531404 is about 357.0839641710.

Adding to 45531404 its reverse (40413554), we get a palindrome (85944958).

The spelling of 45531404 in words is "forty-five million, five hundred thirty-one thousand, four hundred four".