142553157 has 8 divisors (see below), whose sum is σ = 193187040. Its totient is φ = 93477360.

The previous prime is 142553137. The next prime is 142553171. The reversal of 142553157 is 751355241.

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

It is not a de Polignac number, because 142553157 - 2⁸ = 142552901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142553137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389307 + ... + 389672.

It is an arithmetic number, because the mean of its divisors is an integer number (24148380).

Almost surely, 2^142553157 is an apocalyptic number.

It is an amenable number.

142553157 is a deficient number, since it is larger than the sum of its proper divisors (50633883).

142553157 is an equidigital number, since it uses as much as digits as its factorization.

142553157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779043.

The product of its digits is 21000, while the sum is 33.

The square root of 142553157 is about 11939.5626804335. The cubic root of 142553157 is about 522.3869028659.

The spelling of 142553157 in words is "one hundred forty-two million, five hundred fifty-three thousand, one hundred fifty-seven".