90153662 has 4 divisors (see below), whose sum is σ = 135230496. Its totient is φ = 45076830.

The previous prime is 90153653. The next prime is 90153667. The reversal of 90153662 is 26635109.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90153667) by changing a digit.

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 as a sum of consecutive naturals, namely, 22538414 + ... + 22538417.

It is an arithmetic number, because the mean of its divisors is an integer number (33807624).

Almost surely, 2^90153662 is an apocalyptic number.

90153662 is a deficient number, since it is larger than the sum of its proper divisors (45076834).

90153662 is a wasteful number, since it uses less digits than its factorization.

90153662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45076833.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 90153662 is about 9494.9282251105. The cubic root of 90153662 is about 448.3953746854.

The spelling of 90153662 in words is "ninety million, one hundred fifty-three thousand, six hundred sixty-two".