142123616 has 48 divisors (see below), whose sum is σ = 286513920. Its totient is φ = 69379200.

The previous prime is 142123609. The next prime is 142123637. The reversal of 142123616 is 616321241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323525 + ... + 323963.

It is an arithmetic number, because the mean of its divisors is an integer number (5969040).

Almost surely, 2^142123616 is an apocalyptic number.

142123616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

142123616 is an abundant number, since it is smaller than the sum of its proper divisors (144390304).

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

142123616 is a wasteful number, since it uses less digits than its factorization.

142123616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667 (or 659 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 142123616 is about 11921.5609716178. The cubic root of 142123616 is about 521.8616897940.

Adding to 142123616 its reverse (616321241), we get a palindrome (758444857).

The spelling of 142123616 in words is "one hundred forty-two million, one hundred twenty-three thousand, six hundred sixteen".