157587742 has 8 divisors (see below), whose sum is σ = 254564856. Its totient is φ = 72732792.

The previous prime is 157587737. The next prime is 157587751. The reversal of 157587742 is 247785751.

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

It is a junction number, because it is equal to n+sod(n) for n = 157587692 and 157587701.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3030508 + ... + 3030559.

It is an arithmetic number, because the mean of its divisors is an integer number (31820607).

Almost surely, 2^157587742 is an apocalyptic number.

157587742 is a deficient number, since it is larger than the sum of its proper divisors (96977114).

157587742 is a wasteful number, since it uses less digits than its factorization.

157587742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6061082.

The product of its digits is 548800, while the sum is 46.

The square root of 157587742 is about 12553.3956362412. The cubic root of 157587742 is about 540.1414147236.

The spelling of 157587742 in words is "one hundred fifty-seven million, five hundred eighty-seven thousand, seven hundred forty-two".