149749880 has 48 divisors (see below), whose sum is σ = 391952520. Its totient is φ = 51342144.

The previous prime is 149749877. The next prime is 149749907. The reversal of 149749880 is 88947941.

149749880 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36242 + ... + 40161.

Almost surely, 2^149749880 is an apocalyptic number.

149749880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149749880 is an abundant number, since it is smaller than the sum of its proper divisors (242202640).

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

149749880 is a wasteful number, since it uses less digits than its factorization.

149749880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76428 (or 76417 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 50.

The square root of 149749880 is about 12237.2333474524. The cubic root of 149749880 is about 531.0337956674.

The spelling of 149749880 in words is "one hundred forty-nine million, seven hundred forty-nine thousand, eight hundred eighty".