45457078 has 16 divisors (see below), whose sum is σ = 69549120. Its totient is φ = 22276800.

The previous prime is 45457073. The next prime is 45457079. The reversal of 45457078 is 87075454.

It is a self number, because there is not a number n which added to its sum of digits gives 45457078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45457073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49443 + ... + 50353.

It is an arithmetic number, because the mean of its divisors is an integer number (4346820).

Almost surely, 2^45457078 is an apocalyptic number.

45457078 is a deficient number, since it is larger than the sum of its proper divisors (24092042).

45457078 is a wasteful number, since it uses less digits than its factorization.

45457078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383.

The product of its (nonzero) digits is 156800, while the sum is 40.

The square root of 45457078 is about 6742.1864406141. The cubic root of 45457078 is about 356.8895556584.

The spelling of 45457078 in words is "forty-five million, four hundred fifty-seven thousand, seventy-eight".