149129952 has 24 divisors (see below), whose sum is σ = 391466376. Its totient is φ = 49709952.

The previous prime is 149129951. The next prime is 149129983. The reversal of 149129952 is 259921941.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149129951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 776623 + ... + 776814.

It is an arithmetic number, because the mean of its divisors is an integer number (16311099).

Almost surely, 2^149129952 is an apocalyptic number.

149129952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

149129952 is an abundant number, since it is smaller than the sum of its proper divisors (242336424).

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

149129952 is a wasteful number, since it uses less digits than its factorization.

149129952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553450 (or 1553442 counting only the distinct ones).

The product of its digits is 58320, while the sum is 42.

The square root of 149129952 is about 12211.8774969290. The cubic root of 149129952 is about 530.2999986641.

The spelling of 149129952 in words is "one hundred forty-nine million, one hundred twenty-nine thousand, nine hundred fifty-two".