149615652 has 48 divisors (see below), whose sum is σ = 370442240. Its totient is φ = 46865952.

The previous prime is 149615647. The next prime is 149615659. The reversal of 149615652 is 256516941.

It is a self number, because there is not a number n which added to its sum of digits gives 149615652.

It is not an unprimeable number, because it can be changed into a prime (149615659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26373 + ... + 31539.

Almost surely, 2^149615652 is an apocalyptic number.

149615652 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 149615652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185221120).

149615652 is an abundant number, since it is smaller than the sum of its proper divisors (220826588).

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

149615652 is a wasteful number, since it uses less digits than its factorization.

149615652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5320 (or 5318 counting only the distinct ones).

The product of its digits is 64800, while the sum is 39.

The square root of 149615652 is about 12231.7477083203. The cubic root of 149615652 is about 530.8750845507.

The spelling of 149615652 in words is "one hundred forty-nine million, six hundred fifteen thousand, six hundred fifty-two".