159764949 has 24 divisors (see below), whose sum is σ = 236107872. Its totient is φ = 104064480.

The previous prime is 159764947. The next prime is 159764951. The reversal of 159764949 is 949467951.

It is a happy number.

159764949 is a `hidden beast` number, since 1 + 597 + 6 + 4 + 9 + 49 = 666.

159764949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (159764947) and next prime (159764951).

It is not a de Polignac number, because 159764949 - 2¹ = 159764947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 159764895 and 159764904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159764947) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 145894 + ... + 146984.

It is an arithmetic number, because the mean of its divisors is an integer number (9837828).

Almost surely, 2^159764949 is an apocalyptic number.

It is an amenable number.

159764949 is a deficient number, since it is larger than the sum of its proper divisors (76342923).

159764949 is a wasteful number, since it uses less digits than its factorization.

159764949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457 (or 1454 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The square root of 159764949 is about 12639.8160192307. The cubic root of 159764949 is about 542.6175486251.

The spelling of 159764949 in words is "one hundred fifty-nine million, seven hundred sixty-four thousand, nine hundred forty-nine".