149885910 has 64 divisors (see below), whose sum is σ = 404812800. Its totient is φ = 39458016.

The previous prime is 149885893. The next prime is 149885929. The reversal of 149885910 is 19588941.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17817 + ... + 24843.

It is an arithmetic number, because the mean of its divisors is an integer number (6325200).

Almost surely, 2^149885910 is an apocalyptic number.

149885910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 149885910, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202406400).

149885910 is an abundant number, since it is smaller than the sum of its proper divisors (254926890).

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

149885910 is a wasteful number, since it uses less digits than its factorization.

149885910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7122 (or 7116 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 45.

The square root of 149885910 is about 12242.7901231705. The cubic root of 149885910 is about 531.1945407389.

The spelling of 149885910 in words is "one hundred forty-nine million, eight hundred eighty-five thousand, nine hundred ten".