45807778 has 8 divisors (see below), whose sum is σ = 69068268. Its totient is φ = 22785024.

The previous prime is 45807763. The next prime is 45807787. The reversal of 45807778 is 87770854.

It can be written as a sum of positive squares in 2 ways, for example, as 44582329 + 1225449 = 6677^2 + 1107^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58951 + ... + 59722.

Almost surely, 2^45807778 is an apocalyptic number.

45807778 is a deficient number, since it is larger than the sum of its proper divisors (23260490).

45807778 is a wasteful number, since it uses less digits than its factorization.

45807778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118868.

The product of its (nonzero) digits is 439040, while the sum is 46.

The square root of 45807778 is about 6768.1443542525. The cubic root of 45807778 is about 357.8050028863.

The spelling of 45807778 in words is "forty-five million, eight hundred seven thousand, seven hundred seventy-eight".