159700490 has 8 divisors (see below), whose sum is σ = 287460900. Its totient is φ = 63880192.

The previous prime is 159700487. The next prime is 159700543. The reversal of 159700490 is 94007951.

It can be written as a sum of positive squares in 2 ways, for example, as 159491641 + 208849 = 12629^2 + 457^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 159700490.

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, 7985015 + ... + 7985034.

Almost surely, 2^159700490 is an apocalyptic number.

159700490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

159700490 is a deficient number, since it is larger than the sum of its proper divisors (127760410).

159700490 is a wasteful number, since it uses less digits than its factorization.

159700490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15970056.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 159700490 is about 12637.2659226591. The cubic root of 159700490 is about 542.5445637187.

The spelling of 159700490 in words is "one hundred fifty-nine million, seven hundred thousand, four hundred ninety".