654158142 has 24 divisors (see below), whose sum is σ = 1546192440. Its totient is φ = 198229680.

The previous prime is 654158129. The next prime is 654158143. The reversal of 654158142 is 241851456.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 654158097 and 654158106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654158143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1651717 + ... + 1652112.

It is an arithmetic number, because the mean of its divisors is an integer number (64424685).

Almost surely, 2^654158142 is an apocalyptic number.

654158142 is an abundant number, since it is smaller than the sum of its proper divisors (892034298).

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

654158142 is a wasteful number, since it uses less digits than its factorization.

654158142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3303848 (or 3303845 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 654158142 is about 25576.5154389725. The cubic root of 654158142 is about 868.0823318380.

The spelling of 654158142 in words is "six hundred fifty-four million, one hundred fifty-eight thousand, one hundred forty-two".