159649294 has 16 divisors (see below), whose sum is σ = 274294368. Its totient is φ = 68268672.

The previous prime is 159649291. The next prime is 159649297. The reversal of 159649294 is 492946951.

It is an interprime number because it is at equal distance from previous prime (159649291) and next prime (159649297).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159649291) 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, 6079 + ... + 18874.

It is an arithmetic number, because the mean of its divisors is an integer number (17143398).

Almost surely, 2^159649294 is an apocalyptic number.

159649294 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

159649294 is a deficient number, since it is larger than the sum of its proper divisors (114645074).

159649294 is a wasteful number, since it uses less digits than its factorization.

159649294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25419.

The product of its digits is 699840, while the sum is 49.

The square root of 159649294 is about 12635.2401639225. The cubic root of 159649294 is about 542.4865820971.

The spelling of 159649294 in words is "one hundred fifty-nine million, six hundred forty-nine thousand, two hundred ninety-four".