149196872 has 48 divisors (see below), whose sum is σ = 311539200. Its totient is φ = 66924000.

The previous prime is 149196871. The next prime is 149196881. The reversal of 149196872 is 278691941.

It is a super-2 number, since 2×149196872² = 44519413229168768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (149196871) 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, 75497 + ... + 77447.

It is an arithmetic number, because the mean of its divisors is an integer number (6490400).

Almost surely, 2^149196872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149196872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155769600).

149196872 is an abundant number, since it is smaller than the sum of its proper divisors (162342328).

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

149196872 is a wasteful number, since it uses less digits than its factorization.

149196872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2058 (or 2043 counting only the distinct ones).

The product of its digits is 217728, while the sum is 47.

The square root of 149196872 is about 12214.6171450439. The cubic root of 149196872 is about 530.3793083949.

The spelling of 149196872 in words is "one hundred forty-nine million, one hundred ninety-six thousand, eight hundred seventy-two".