992142145 has 12 divisors (see below), whose sum is σ = 1244588436. Its totient is φ = 759202400.

The previous prime is 992142131. The next prime is 992142187. The reversal of 992142145 is 541241299.

It can be written as a sum of positive squares in 2 ways, for example, as 187909264 + 804232881 = 13708^2 + 28359^2 .

It is not a de Polignac number, because 992142145 - 2¹⁹ = 991617857 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 184906 + ... + 190195.

It is an arithmetic number, because the mean of its divisors is an integer number (103715703).

Almost surely, 2^992142145 is an apocalyptic number.

It is an amenable number.

992142145 is a deficient number, since it is larger than the sum of its proper divisors (252446291).

992142145 is a wasteful number, since it uses less digits than its factorization.

992142145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375152 (or 375129 counting only the distinct ones).

The product of its digits is 25920, while the sum is 37.

The square root of 992142145 is about 31498.2879693484. The cubic root of 992142145 is about 997.3738242383.

The spelling of 992142145 in words is "nine hundred ninety-two million, one hundred forty-two thousand, one hundred forty-five".