142293157 has 16 divisors (see below), whose sum is σ = 153303552. Its totient is φ = 131725440.

The previous prime is 142293139. The next prime is 142293187. The reversal of 142293157 is 751392241.

It is a happy number.

142293157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 142293157 - 2²⁷ = 8075429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142293127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230313 + ... + 230929.

It is an arithmetic number, because the mean of its divisors is an integer number (9581472).

Almost surely, 2^142293157 is an apocalyptic number.

It is an amenable number.

142293157 is a deficient number, since it is larger than the sum of its proper divisors (11010395).

142293157 is a wasteful number, since it uses less digits than its factorization.

142293157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948.

The product of its digits is 15120, while the sum is 34.

The square root of 142293157 is about 11928.6695402295. The cubic root of 142293157 is about 522.0691190653.

The spelling of 142293157 in words is "one hundred forty-two million, two hundred ninety-three thousand, one hundred fifty-seven".