157747764142 has 8 divisors (see below), whose sum is σ = 236623525776. Its totient is φ = 78873255552.

The previous prime is 157747764127. The next prime is 157747764179. The reversal of 157747764142 is 241467747751.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122958 + ... + 574990.

It is an arithmetic number, because the mean of its divisors is an integer number (29577940722).

Almost surely, 2^157747764142 is an apocalyptic number.

157747764142 is a deficient number, since it is larger than the sum of its proper divisors (78875761634).

157747764142 is a wasteful number, since it uses less digits than its factorization.

157747764142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626522.

The product of its digits is 9219840, while the sum is 55.

The spelling of 157747764142 in words is "one hundred fifty-seven billion, seven hundred forty-seven million, seven hundred sixty-four thousand, one hundred forty-two".