157557748342 has 8 divisors (see below), whose sum is σ = 237050631432. Its totient is φ = 78540871200.

The previous prime is 157557748253. The next prime is 157557748343. The reversal of 157557748342 is 243847755751.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157557748343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119000659 + ... + 119001982.

It is an arithmetic number, because the mean of its divisors is an integer number (29631328929).

Almost surely, 2^157557748342 is an apocalyptic number.

157557748342 is a deficient number, since it is larger than the sum of its proper divisors (79492883090).

157557748342 is a wasteful number, since it uses less digits than its factorization.

157557748342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238002974.

The product of its digits is 32928000, while the sum is 58.

The spelling of 157557748342 in words is "one hundred fifty-seven billion, five hundred fifty-seven million, seven hundred forty-eight thousand, three hundred forty-two".