92144021 has 4 divisors (see below), whose sum is σ = 92215200. Its totient is φ = 92072844.

The previous prime is 92143999. The next prime is 92144033. The reversal of 92144021 is 12044129.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12044129 = 37 ⋅325517.

It is a cyclic number.

It is not a de Polignac number, because 92144021 - 2²² = 87949717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (92144081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33611 + ... + 36248.

It is an arithmetic number, because the mean of its divisors is an integer number (23053800).

Almost surely, 2^92144021 is an apocalyptic number.

It is an amenable number.

92144021 is a deficient number, since it is larger than the sum of its proper divisors (71179).

92144021 is a wasteful number, since it uses less digits than its factorization.

92144021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71178.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 92144021 is about 9599.1677243394. The cubic root of 92144021 is about 451.6711867729.

The spelling of 92144021 in words is "ninety-two million, one hundred forty-four thousand, twenty-one".