157622142 has 8 divisors (see below), whose sum is σ = 315244296. Its totient is φ = 52540712.

The previous prime is 157622137. The next prime is 157622167. The reversal of 157622142 is 241226751.

157622142 is digitally balanced in base 3, 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.

157622142 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13135173 + ... + 13135184.

It is an arithmetic number, because the mean of its divisors is an integer number (39405537).

Almost surely, 2^157622142 is an apocalyptic number.

157622142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

157622142 is a wasteful number, since it uses less digits than its factorization.

157622142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26270362.

The product of its digits is 6720, while the sum is 30.

The square root of 157622142 is about 12554.7657086861. The cubic root of 157622142 is about 540.1807145502.

Adding to 157622142 its reverse (241226751), we get a palindrome (398848893).

The spelling of 157622142 in words is "one hundred fifty-seven million, six hundred twenty-two thousand, one hundred forty-two".