149688528 has 40 divisors (see below), whose sum is σ = 421850976. Its totient is φ = 45360000.

The previous prime is 149688521. The next prime is 149688541. The reversal of 149688528 is 825886941.

149688528 is nontrivially palindromic in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149688521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141223 + ... + 142278.

Almost surely, 2^149688528 is an apocalyptic number.

It is an amenable number.

149688528 is an abundant number, since it is smaller than the sum of its proper divisors (272162448).

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

149688528 is a wasteful number, since it uses less digits than its factorization.

149688528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283523 (or 283517 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 51.

The square root of 149688528 is about 12234.7263148793. The cubic root of 149688528 is about 530.9612648675.

The spelling of 149688528 in words is "one hundred forty-nine million, six hundred eighty-eight thousand, five hundred twenty-eight".