90271157 has 8 divisors (see below), whose sum is σ = 93614976. Its totient is φ = 86974992.

The previous prime is 90271141. The next prime is 90271199. The reversal of 90271157 is 75117209.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90271157 - 2⁴ = 90271141 is a prime.

It is a super-2 number, since 2×90271157² = 16297763572237298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90271127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8033 + ... + 15654.

It is an arithmetic number, because the mean of its divisors is an integer number (11701872).

Almost surely, 2^90271157 is an apocalyptic number.

It is an amenable number.

90271157 is a deficient number, since it is larger than the sum of its proper divisors (3343819).

90271157 is a wasteful number, since it uses less digits than its factorization.

90271157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23827.

The product of its (nonzero) digits is 4410, while the sum is 32.

The square root of 90271157 is about 9501.1134610634. The cubic root of 90271157 is about 448.5900842609.

The spelling of 90271157 in words is "ninety million, two hundred seventy-one thousand, one hundred fifty-seven".