90145596692 has 12 divisors (see below), whose sum is σ = 157791846996. Its totient is φ = 45062211840.

The previous prime is 90145596683. The next prime is 90145596701. The reversal of 90145596692 is 29669554109.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (90145596683) and next prime (90145596701).

It can be written as a sum of positive squares in 2 ways, for example, as 42850656016 + 47294940676 = 207004^2 + 217474^2 .

It is a congruent number.

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, 2627453 + ... + 2661540.

It is an arithmetic number, because the mean of its divisors is an integer number (13149320583).

Almost surely, 2^90145596692 is an apocalyptic number.

It is an amenable number.

90145596692 is a deficient number, since it is larger than the sum of its proper divisors (67646250304).

90145596692 is a wasteful number, since it uses less digits than its factorization.

90145596692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5293258 (or 5293256 counting only the distinct ones).

The product of its (nonzero) digits is 5248800, while the sum is 56.

The spelling of 90145596692 in words is "ninety billion, one hundred forty-five million, five hundred ninety-six thousand, six hundred ninety-two".