149255652 has 96 divisors (see below), whose sum is σ = 433119232. Its totient is φ = 38952576.

The previous prime is 149255651. The next prime is 149255657. The reversal of 149255652 is 256552941.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 149255652.

It is not an unprimeable number, because it can be changed into a prime (149255651) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111813 + ... + 113139.

Almost surely, 2^149255652 is an apocalyptic number.

149255652 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 149255652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216559616).

149255652 is an abundant number, since it is smaller than the sum of its proper divisors (283863580).

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

149255652 is a wasteful number, since it uses less digits than its factorization.

149255652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457 (or 1455 counting only the distinct ones).

The product of its digits is 108000, while the sum is 39.

The square root of 149255652 is about 12217.0230416415. The cubic root of 149255652 is about 530.4489515049.

The spelling of 149255652 in words is "one hundred forty-nine million, two hundred fifty-five thousand, six hundred fifty-two".