90495458 has 4 divisors (see below), whose sum is σ = 135743190. Its totient is φ = 45247728.

The previous prime is 90495421. The next prime is 90495469. The reversal of 90495458 is 85459409.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 73496329 + 16999129 = 8573^2 + 4123^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22623863 + ... + 22623866.

Almost surely, 2^90495458 is an apocalyptic number.

90495458 is a deficient number, since it is larger than the sum of its proper divisors (45247732).

90495458 is a wasteful number, since it uses less digits than its factorization.

90495458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45247731.

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 90495458 is about 9512.9100700049. The cubic root of 90495458 is about 448.9613212648.

The spelling of 90495458 in words is "ninety million, four hundred ninety-five thousand, four hundred fifty-eight".