45312707898 has 24 divisors (see below), whose sum is σ = 99522434388. Its totient is φ = 14897328192.

The previous prime is 45312707893. The next prime is 45312707903. The reversal of 45312707898 is 89870721354.

It is a happy number.

45312707898 is a `hidden beast` number, since 4 + 531 + 27 + 0 + 7 + 89 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (45312707893) and next prime (45312707903).

It can be written as a sum of positive squares in 2 ways, for example, as 45051336009 + 261371889 = 212253^2 + 16167^2 .

It is not an unprimeable number, because it can be changed into a prime (45312707893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17240965 + ... + 17243592.

Almost surely, 2^45312707898 is an apocalyptic number.

45312707898 is an abundant number, since it is smaller than the sum of its proper divisors (54209726490).

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

45312707898 is a wasteful number, since it uses less digits than its factorization.

45312707898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34484638 (or 34484635 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The spelling of 45312707898 in words is "forty-five billion, three hundred twelve million, seven hundred seven thousand, eight hundred ninety-eight".