149677880 has 64 divisors (see below), whose sum is σ = 376397280. Its totient is φ = 53094400.

The previous prime is 149677861. The next prime is 149677897. The reversal of 149677880 is 88776941.

It is a super-2 number, since 2×149677880² = 44806935522588800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13892 + ... + 22188.

Almost surely, 2^149677880 is an apocalyptic number.

149677880 is a gapful number since it is divisible by the number (10) 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 149677880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188198640).

149677880 is an abundant number, since it is smaller than the sum of its proper divisors (226719400).

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

149677880 is a wasteful number, since it uses less digits than its factorization.

149677880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8360 (or 8356 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 50.

The square root of 149677880 is about 12234.2911523308. The cubic root of 149677880 is about 530.9486747029.

The spelling of 149677880 in words is "one hundred forty-nine million, six hundred seventy-seven thousand, eight hundred eighty".