90450155804 has 48 divisors (see below), whose sum is σ = 167830656000. Its totient is φ = 42534144576.

The previous prime is 90450155773. The next prime is 90450155837. The reversal of 90450155804 is 40855105409.

It is a super-3 number, since 3×90450155804³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6995954 + ... + 7008870.

It is an arithmetic number, because the mean of its divisors is an integer number (3496472000).

Almost surely, 2^90450155804 is an apocalyptic number.

It is an amenable number.

90450155804 is a deficient number, since it is larger than the sum of its proper divisors (77380500196).

90450155804 is a wasteful number, since it uses less digits than its factorization.

90450155804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13602 (or 13600 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 41.

The spelling of 90450155804 in words is "ninety billion, four hundred fifty million, one hundred fifty-five thousand, eight hundred four".