159669542 has 32 divisors (see below), whose sum is σ = 268339392. Its totient is φ = 70861824.

The previous prime is 159669533. The next prime is 159669547. The reversal of 159669542 is 245966951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159669547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55688 + ... + 58484.

It is an arithmetic number, because the mean of its divisors is an integer number (8385606).

Almost surely, 2^159669542 is an apocalyptic number.

159669542 is a deficient number, since it is larger than the sum of its proper divisors (108669850).

159669542 is a wasteful number, since it uses less digits than its factorization.

159669542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2912.

The product of its digits is 583200, while the sum is 47.

The square root of 159669542 is about 12636.0413896125. The cubic root of 159669542 is about 542.5095152897.

The spelling of 159669542 in words is "one hundred fifty-nine million, six hundred sixty-nine thousand, five hundred forty-two".