45237722420138 has 16 divisors (see below), whose sum is σ = 69775925034816. Its totient is φ = 21983276024160.

The previous prime is 45237722420123. The next prime is 45237722420159. The reversal of 45237722420138 is 83102422773254.

It is a super-2 number, since 2×45237722420138² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1048798856 + ... + 1048841987.

It is an arithmetic number, because the mean of its divisors is an integer number (4360995314676).

Almost surely, 2^{45237722420138} is an apocalyptic number.

45237722420138 is a deficient number, since it is larger than the sum of its proper divisors (24538202614678).

45237722420138 is a wasteful number, since it uses less digits than its factorization.

45237722420138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2097641149.

The product of its (nonzero) digits is 4515840, while the sum is 50.

The spelling of 45237722420138 in words is "forty-five trillion, two hundred thirty-seven billion, seven hundred twenty-two million, four hundred twenty thousand, one hundred thirty-eight".