45899778 has 16 divisors (see below), whose sum is σ = 94761216. Its totient is φ = 14806320.

The previous prime is 45899771. The next prime is 45899827. The reversal of 45899778 is 87799854.

It is not an unprimeable number, because it can be changed into a prime (45899771) 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, 123201 + ... + 123572.

It is an arithmetic number, because the mean of its divisors is an integer number (5922576).

Almost surely, 2^45899778 is an apocalyptic number.

45899778 is an abundant number, since it is smaller than the sum of its proper divisors (48861438).

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

45899778 is a wasteful number, since it uses less digits than its factorization.

45899778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246809.

The product of its digits is 5080320, while the sum is 57.

The square root of 45899778 is about 6774.9374904865. The cubic root of 45899778 is about 358.0443803370.

The spelling of 45899778 in words is "forty-five million, eight hundred ninety-nine thousand, seven hundred seventy-eight".