90142683 has 4 divisors (see below), whose sum is σ = 120190248. Its totient is φ = 60095120.

The previous prime is 90142651. The next prime is 90142691. The reversal of 90142683 is 38624109.

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

It is a cyclic number.

It is not a de Polignac number, because 90142683 - 2⁵ = 90142651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90142603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15023778 + ... + 15023783.

It is an arithmetic number, because the mean of its divisors is an integer number (30047562).

Almost surely, 2^90142683 is an apocalyptic number.

90142683 is a deficient number, since it is larger than the sum of its proper divisors (30047565).

90142683 is a wasteful number, since it uses less digits than its factorization.

90142683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30047564.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 90142683 is about 9494.3500567443. The cubic root of 90142683 is about 448.3771719393.

The spelling of 90142683 in words is "ninety million, one hundred forty-two thousand, six hundred eighty-three".