654637142 has 8 divisors (see below), whose sum is σ = 982243800. Its totient is φ = 327222544.

The previous prime is 654637141. The next prime is 654637157. The reversal of 654637142 is 241736456.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 654637096 and 654637105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654637141) 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, 39167 + ... + 53322.

It is an arithmetic number, because the mean of its divisors is an integer number (122780475).

Almost surely, 2^654637142 is an apocalyptic number.

654637142 is a deficient number, since it is larger than the sum of its proper divisors (327606658).

654637142 is a wasteful number, since it uses less digits than its factorization.

654637142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96030.

The product of its digits is 120960, while the sum is 38.

The square root of 654637142 is about 25585.8777844341. The cubic root of 654637142 is about 868.2941613435.

The spelling of 654637142 in words is "six hundred fifty-four million, six hundred thirty-seven thousand, one hundred forty-two".