142842637 has 8 divisors (see below), whose sum is σ = 168515072. Its totient is φ = 118486800.

The previous prime is 142842631. The next prime is 142842649. The reversal of 142842637 is 736248241.

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

It is a cyclic number.

It is not a de Polignac number, because 142842637 - 2³ = 142842629 is a prime.

It is a super-2 number, since 2×142842637² = 40808037890227538, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142842596 and 142842605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142842631) 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, 328914 + ... + 329347.

It is an arithmetic number, because the mean of its divisors is an integer number (21064384).

Almost surely, 2^142842637 is an apocalyptic number.

It is an amenable number.

142842637 is a deficient number, since it is larger than the sum of its proper divisors (25672435).

142842637 is an equidigital number, since it uses as much as digits as its factorization.

142842637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658299.

The product of its digits is 64512, while the sum is 37.

The square root of 142842637 is about 11951.6792543977. The cubic root of 142842637 is about 522.7402641872.

The spelling of 142842637 in words is "one hundred forty-two million, eight hundred forty-two thousand, six hundred thirty-seven".