157142873 has 8 divisors (see below), whose sum is σ = 161581056. Its totient is φ = 152733600.

The previous prime is 157142861. The next prime is 157142879. The reversal of 157142873 is 378241751.

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

It is a cyclic number.

It is not a de Polignac number, because 157142873 - 2⁴ = 157142857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (157142879) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4040 + ... + 18182.

It is an arithmetic number, because the mean of its divisors is an integer number (20197632).

Almost surely, 2^157142873 is an apocalyptic number.

It is an amenable number.

157142873 is a deficient number, since it is larger than the sum of its proper divisors (4438183).

157142873 is a wasteful number, since it uses less digits than its factorization.

157142873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14455.

The product of its digits is 47040, while the sum is 38.

The square root of 157142873 is about 12535.6640430414. The cubic root of 157142873 is about 539.6326639845.

It can be divided in two parts, 1571 and 42873, that added together give a palindrome (44444).

The spelling of 157142873 in words is "one hundred fifty-seven million, one hundred forty-two thousand, eight hundred seventy-three".