45217400 has 24 divisors (see below), whose sum is σ = 105130920. Its totient is φ = 18086880.

The previous prime is 45217387. The next prime is 45217411. The reversal of 45217400 is 471254.

It is a super-2 number, since 2×45217400² = 4089226525520000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112844 + ... + 113243.

It is an arithmetic number, because the mean of its divisors is an integer number (4380455).

Almost surely, 2^45217400 is an apocalyptic number.

45217400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45217400 is an abundant number, since it is smaller than the sum of its proper divisors (59913520).

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

45217400 is a wasteful number, since it uses less digits than its factorization.

45217400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226103 (or 226094 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 45217400 is about 6724.3884480301. The cubic root of 45217400 is about 356.2612020690.

Adding to 45217400 its reverse (471254), we get a palindrome (45688654).

The spelling of 45217400 in words is "forty-five million, two hundred seventeen thousand, four hundred".