159742290 has 16 divisors (see below), whose sum is σ = 383381568. Its totient is φ = 42597936.

The previous prime is 159742279. The next prime is 159742309. The reversal of 159742290 is 92247951.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2662342 + ... + 2662401.

It is an arithmetic number, because the mean of its divisors is an integer number (23961348).

Almost surely, 2^159742290 is an apocalyptic number.

159742290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

159742290 is an abundant number, since it is smaller than the sum of its proper divisors (223639278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

159742290 is a wasteful number, since it uses less digits than its factorization.

159742290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5324753.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 159742290 is about 12638.9196531982. The cubic root of 159742290 is about 542.5918947871.

The spelling of 159742290 in words is "one hundred fifty-nine million, seven hundred forty-two thousand, two hundred ninety".