152746649 has 12 divisors (see below), whose sum is σ = 177773652. Its totient is φ = 130690560.

The previous prime is 152746637. The next prime is 152746669. The reversal of 152746649 is 946647251.

152746649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 46512400 + 106234249 = 6820^2 + 10307^2 .

It is a de Polignac number, because none of the positive numbers 2^k-152746649 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (152746669) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35072 + ... + 39185.

It is an arithmetic number, because the mean of its divisors is an integer number (14814471).

Almost surely, 2^152746649 is an apocalyptic number.

It is an amenable number.

152746649 is a deficient number, since it is larger than the sum of its proper divisors (25027003).

152746649 is a wasteful number, since it uses less digits than its factorization.

152746649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74296 (or 74285 counting only the distinct ones).

The product of its digits is 362880, while the sum is 44.

The square root of 152746649 is about 12359.0715266156. The cubic root of 152746649 is about 534.5527446700.

The spelling of 152746649 in words is "one hundred fifty-two million, seven hundred forty-six thousand, six hundred forty-nine".