90146079 has 18 divisors (see below), whose sum is σ = 131466816. Its totient is φ = 59521680.

The previous prime is 90146071. The next prime is 90146113. The reversal of 90146079 is 97064109.

It is not a de Polignac number, because 90146079 - 2³ = 90146071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90146071) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 393537 + ... + 393765.

It is an arithmetic number, because the mean of its divisors is an integer number (7303712).

Almost surely, 2^90146079 is an apocalyptic number.

90146079 is a deficient number, since it is larger than the sum of its proper divisors (41320737).

90146079 is a wasteful number, since it uses less digits than its factorization.

90146079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655 (or 423 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 90146079 is about 9494.5288982656. The cubic root of 90146079 is about 448.3828025303.

The spelling of 90146079 in words is "ninety million, one hundred forty-six thousand, seventy-nine".