149823552 has 56 divisors (see below), whose sum is σ = 400100800. Its totient is φ = 49476096.

The previous prime is 149823539. The next prime is 149823571. The reversal of 149823552 is 255328941.

It is a self number, because there is not a number n which added to its sum of digits gives 149823552.

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, 17349 + ... + 24507.

Almost surely, 2^149823552 is an apocalyptic number.

149823552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149823552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200050400).

149823552 is an abundant number, since it is smaller than the sum of its proper divisors (250277248).

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

149823552 is a wasteful number, since it uses less digits than its factorization.

149823552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7283 (or 7273 counting only the distinct ones).

The product of its digits is 86400, while the sum is 39.

The square root of 149823552 is about 12240.2431348401. The cubic root of 149823552 is about 531.1208650926.

The spelling of 149823552 in words is "one hundred forty-nine million, eight hundred twenty-three thousand, five hundred fifty-two".