92145220 has 24 divisors (see below), whose sum is σ = 196233408. Its totient is φ = 36338400.

The previous prime is 92145211. The next prime is 92145227. The reversal of 92145220 is 2254129.

It is not an unprimeable number, because it can be changed into a prime (92145227) 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, 31026 + ... + 33865.

It is an arithmetic number, because the mean of its divisors is an integer number (8176392).

Almost surely, 2^92145220 is an apocalyptic number.

It is an amenable number.

92145220 is an abundant number, since it is smaller than the sum of its proper divisors (104088188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

92145220 is a wasteful number, since it uses less digits than its factorization.

92145220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64971 (or 64969 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 92145220 is about 9599.2301774674. The cubic root of 92145220 is about 451.6731458488.

Adding to 92145220 its reverse (2254129), we get a palindrome (94399349).

The spelling of 92145220 in words is "ninety-two million, one hundred forty-five thousand, two hundred twenty".