142552131 has 8 divisors (see below), whose sum is σ = 190129680. Its totient is φ = 95004672.

The previous prime is 142552097. The next prime is 142552147. The reversal of 142552131 is 131255241.

It is a happy number.

142552131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 142552131 - 2¹⁰ = 142551107 is a prime.

It is a super-2 number, since 2×142552131² = 40642220105282322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142552331) 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, 8275 + ... + 18803.

It is an arithmetic number, because the mean of its divisors is an integer number (23766210).

Almost surely, 2^142552131 is an apocalyptic number.

142552131 is a deficient number, since it is larger than the sum of its proper divisors (47577549).

142552131 is a wasteful number, since it uses less digits than its factorization.

142552131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15045.

The product of its digits is 1200, while the sum is 24.

The square root of 142552131 is about 11939.5197139583. The cubic root of 142552131 is about 522.3856496018.

The spelling of 142552131 in words is "one hundred forty-two million, five hundred fifty-two thousand, one hundred thirty-one".