153668145250 has 32 divisors (see below), whose sum is σ = 288353520000. Its totient is φ = 61320516400.

The previous prime is 153668145229. The next prime is 153668145259. The reversal of 153668145250 is 52541866351.

It is a super-2 number, since 2×153668145250² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 153668145250.

It is not an unprimeable number, because it can be changed into a prime (153668145259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 628750 + ... + 838249.

It is an arithmetic number, because the mean of its divisors is an integer number (9011047500).

Almost surely, 2^153668145250 is an apocalyptic number.

153668145250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

153668145250 is a deficient number, since it is larger than the sum of its proper divisors (134685374750).

153668145250 is a wasteful number, since it uses less digits than its factorization.

153668145250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467435 (or 1467425 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 46.

The spelling of 153668145250 in words is "one hundred fifty-three billion, six hundred sixty-eight million, one hundred forty-five thousand, two hundred fifty".