149447256 has 48 divisors (see below), whose sum is σ = 434620440. Its totient is φ = 42698880.

The previous prime is 149447251. The next prime is 149447257. The reversal of 149447256 is 652744941.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149447251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62365 + ... + 64716.

Almost surely, 2^149447256 is an apocalyptic number.

It is an amenable number.

149447256 is an abundant number, since it is smaller than the sum of its proper divisors (285173184).

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

149447256 is a wasteful number, since it uses less digits than its factorization.

149447256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127104 (or 127093 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 149447256 is about 12224.8622078124. The cubic root of 149447256 is about 530.6758389056.

The spelling of 149447256 in words is "one hundred forty-nine million, four hundred forty-seven thousand, two hundred fifty-six".