45538287898 has 8 divisors (see below), whose sum is σ = 68798852640. Its totient is φ = 22605337020.

The previous prime is 45538287871. The next prime is 45538287911. The reversal of 45538287898 is 89878283554.

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

It is a super-2 number, since 2×45538287898² (a number of 22 digits) contains 22 as substring.

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, 81903118 + ... + 81903673.

It is an arithmetic number, because the mean of its divisors is an integer number (8599856580).

Almost surely, 2^45538287898 is an apocalyptic number.

45538287898 is a deficient number, since it is larger than the sum of its proper divisors (23260564742).

45538287898 is a wasteful number, since it uses less digits than its factorization.

45538287898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163806932.

The product of its digits is 154828800, while the sum is 67.

The spelling of 45538287898 in words is "forty-five billion, five hundred thirty-eight million, two hundred eighty-seven thousand, eight hundred ninety-eight".