90037144506 has 128 divisors (see below), whose sum is σ = 198118794240. Its totient is φ = 27163164672.

The previous prime is 90037144429. The next prime is 90037144537. The reversal of 90037144506 is 60544173009.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 156043290 + ... + 156043866.

It is an arithmetic number, because the mean of its divisors is an integer number (1547803080).

Almost surely, 2^90037144506 is an apocalyptic number.

90037144506 is an abundant number, since it is smaller than the sum of its proper divisors (108081649734).

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

90037144506 is a wasteful number, since it uses less digits than its factorization.

90037144506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048.

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 90037144506 in words is "ninety billion, thirty-seven million, one hundred forty-four thousand, five hundred six".