149253889568 has 48 divisors (see below), whose sum is σ = 353496064320. Its totient is φ = 60599321856.

The previous prime is 149253889523. The next prime is 149253889573. The reversal of 149253889568 is 865988352941.

It is a junction number, because it is equal to n+sod(n) for n = 149253889498 and 149253889507.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17530271 + ... + 17538782.

It is an arithmetic number, because the mean of its divisors is an integer number (7364501340).

Almost surely, 2^149253889568 is an apocalyptic number.

It is an amenable number.

149253889568 is an abundant number, since it is smaller than the sum of its proper divisors (204242174752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149253889568 is a wasteful number, since it uses less digits than its factorization.

149253889568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35069089 (or 35069081 counting only the distinct ones).

The product of its digits is 149299200, while the sum is 68.

The spelling of 149253889568 in words is "one hundred forty-nine billion, two hundred fifty-three million, eight hundred eighty-nine thousand, five hundred sixty-eight".