149281752 has 16 divisors (see below), whose sum is σ = 373204440. Its totient is φ = 49760576.

The previous prime is 149281751. The next prime is 149281793. The reversal of 149281752 is 257182941.

It is a self number, because there is not a number n which added to its sum of digits gives 149281752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149281751) 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, 3110013 + ... + 3110060.

Almost surely, 2^149281752 is an apocalyptic number.

149281752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

149281752 is an abundant number, since it is smaller than the sum of its proper divisors (223922688).

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

149281752 is a wasteful number, since it uses less digits than its factorization.

149281752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6220082 (or 6220078 counting only the distinct ones).

The product of its digits is 40320, while the sum is 39.

The square root of 149281752 is about 12218.0911766118. The cubic root of 149281752 is about 530.4798691743.

The spelling of 149281752 in words is "one hundred forty-nine million, two hundred eighty-one thousand, seven hundred fifty-two".