153144660779 has 4 divisors (see below), whose sum is σ = 167066902680. Its totient is φ = 139222418880.

The previous prime is 153144660751. The next prime is 153144660791. The reversal of 153144660779 is 977066441351.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 153144660779 - 2¹⁶ = 153144595243 is a prime.

It is a super-2 number, since 2×153144660779² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 153144660779.

It is not an unprimeable number, because it can be changed into a prime (153144668779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6961120934 + ... + 6961120955.

It is an arithmetic number, because the mean of its divisors is an integer number (41766725670).

Almost surely, 2^153144660779 is an apocalyptic number.

153144660779 is a deficient number, since it is larger than the sum of its proper divisors (13922241901).

153144660779 is a wasteful number, since it uses less digits than its factorization.

153144660779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13922241900.

The product of its (nonzero) digits is 3810240, while the sum is 53.

The spelling of 153144660779 in words is "one hundred fifty-three billion, one hundred forty-four million, six hundred sixty thousand, seven hundred seventy-nine".