45400678 has 16 divisors (see below), whose sum is σ = 70502400. Its totient is φ = 21904200.

The previous prime is 45400669. The next prime is 45400687. The reversal of 45400678 is 87600454.

It is an interprime number because it is at equal distance from previous prime (45400669) and next prime (45400687).

It is a super-2 number, since 2×45400678² = 4122443125719368, 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 7 ways as a sum of consecutive naturals, for example, 25873 + ... + 27571.

It is an arithmetic number, because the mean of its divisors is an integer number (4406400).

Almost surely, 2^45400678 is an apocalyptic number.

45400678 is a deficient number, since it is larger than the sum of its proper divisors (25101722).

45400678 is a wasteful number, since it uses less digits than its factorization.

45400678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 45400678 is about 6738.0025230034. The cubic root of 45400678 is about 356.7418932754.

Subtracting from 45400678 its sum of digits (34), we obtain a square (45400644 = 6738²).

The spelling of 45400678 in words is "forty-five million, four hundred thousand, six hundred seventy-eight".