45123220426 has 8 divisors (see below), whose sum is σ = 69514150500. Its totient is φ = 21951836928.

The previous prime is 45123220409. The next prime is 45123220433. The reversal of 45123220426 is 62402232154.

It can be written as a sum of positive squares in 2 ways, for example, as 41984419801 + 3138800625 = 204901^2 + 56025^2 .

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

It is a super-2 number, since 2×45123220426² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 304886551 + ... + 304886698.

Almost surely, 2^45123220426 is an apocalyptic number.

45123220426 is a deficient number, since it is larger than the sum of its proper divisors (24390930074).

45123220426 is a wasteful number, since it uses less digits than its factorization.

45123220426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609773288.

The product of its (nonzero) digits is 23040, while the sum is 31.

The spelling of 45123220426 in words is "forty-five billion, one hundred twenty-three million, two hundred twenty thousand, four hundred twenty-six".