157662741 has 8 divisors (see below), whose sum is σ = 221281120. Its totient is φ = 99576432.

The previous prime is 157662731. The next prime is 157662767. The reversal of 157662741 is 147266751.

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

It is not a de Polignac number, because 157662741 - 2⁹ = 157662229 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 157662741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157662731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1382950 + ... + 1383063.

It is an arithmetic number, because the mean of its divisors is an integer number (27660140).

Almost surely, 2^157662741 is an apocalyptic number.

It is an amenable number.

157662741 is a deficient number, since it is larger than the sum of its proper divisors (63618379).

157662741 is a wasteful number, since it uses less digits than its factorization.

157662741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2766035.

The product of its digits is 70560, while the sum is 39.

The square root of 157662741 is about 12556.3824806351. The cubic root of 157662741 is about 540.2270889870.

The spelling of 157662741 in words is "one hundred fifty-seven million, six hundred sixty-two thousand, seven hundred forty-one".