149810720 has 72 divisors (see below), whose sum is σ = 363422052. Its totient is φ = 58357760.

The previous prime is 149810699. The next prime is 149810737. The reversal of 149810720 is 27018941.

149810720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 1263376 + 148547344 = 1124^2 + 12188^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 268682 + ... + 269238.

Almost surely, 2^149810720 is an apocalyptic number.

149810720 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 149810720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181711026).

149810720 is an abundant number, since it is smaller than the sum of its proper divisors (213611332).

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

149810720 is an equidigital number, since it uses as much as digits as its factorization.

149810720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654 (or 605 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 149810720 is about 12239.7189510217. The cubic root of 149810720 is about 531.1057016165.

The spelling of 149810720 in words is "one hundred forty-nine million, eight hundred ten thousand, seven hundred twenty".