159457694 has 8 divisors (see below), whose sum is σ = 260930808. Its totient is φ = 72480760.

The previous prime is 159457681. The next prime is 159457703. The reversal of 159457694 is 496754951.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3624017 + ... + 3624060.

It is an arithmetic number, because the mean of its divisors is an integer number (32616351).

Almost surely, 2^159457694 is an apocalyptic number.

159457694 is a deficient number, since it is larger than the sum of its proper divisors (101473114).

159457694 is a wasteful number, since it uses less digits than its factorization.

159457694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7248090.

The product of its digits is 1360800, while the sum is 50.

The square root of 159457694 is about 12627.6559186573. The cubic root of 159457694 is about 542.2694769768.

The spelling of 159457694 in words is "one hundred fifty-nine million, four hundred fifty-seven thousand, six hundred ninety-four".