90454959 has 12 divisors (see below), whose sum is σ = 149322576. Its totient is φ = 51688512.

The previous prime is 90454951. The next prime is 90454961. The reversal of 90454959 is 95945409.

It is not a de Polignac number, because 90454959 - 2³ = 90454951 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90454951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 717834 + ... + 717959.

It is an arithmetic number, because the mean of its divisors is an integer number (12443548).

Almost surely, 2^90454959 is an apocalyptic number.

90454959 is a deficient number, since it is larger than the sum of its proper divisors (58867617).

90454959 is a wasteful number, since it uses less digits than its factorization.

90454959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435806 (or 1435803 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The square root of 90454959 is about 9510.7811981982. The cubic root of 90454959 is about 448.8943374330.

The spelling of 90454959 in words is "ninety million, four hundred fifty-four thousand, nine hundred fifty-nine".