45400004 has 48 divisors (see below), whose sum is σ = 88444608. Its totient is φ = 20262528.

The previous prime is 45400001. The next prime is 45400009. The reversal of 45400004 is 40000454.

It is a super-2 number, since 2×45400004² = 4122320726400032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45400001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289094 + ... + 289250.

It is an arithmetic number, because the mean of its divisors is an integer number (1842596).

Almost surely, 2^45400004 is an apocalyptic number.

It is an amenable number.

45400004 is a deficient number, since it is larger than the sum of its proper divisors (43044604).

45400004 is a wasteful number, since it uses less digits than its factorization.

45400004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 322 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 45400004 is about 6737.9525079953. The cubic root of 45400004 is about 356.7401279183.

Adding to 45400004 its reverse (40000454), we get a palindrome (85400458).

The spelling of 45400004 in words is "forty-five million, four hundred thousand, four".