142252104 has 32 divisors (see below), whose sum is σ = 356048640. Its totient is φ = 47361600.

The previous prime is 142252067. The next prime is 142252109. The reversal of 142252104 is 401252241.

It is a super-2 number, since 2×142252104² = 40471322184853632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142252109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20794 + ... + 26774.

It is an arithmetic number, because the mean of its divisors is an integer number (11126520).

Almost surely, 2^142252104 is an apocalyptic number.

It is an amenable number.

142252104 is an abundant number, since it is smaller than the sum of its proper divisors (213796536).

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

142252104 is a wasteful number, since it uses less digits than its factorization.

142252104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6981 (or 6977 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 142252104 is about 11926.9486458188. The cubic root of 142252104 is about 522.0189068474.

The spelling of 142252104 in words is "one hundred forty-two million, two hundred fifty-two thousand, one hundred four".