149932440 has 96 divisors (see below), whose sum is σ = 556901280. Its totient is φ = 34269696.

The previous prime is 149932429. The next prime is 149932451. The reversal of 149932440 is 44239941.

It is an interprime number because it is at equal distance from previous prime (149932429) and next prime (149932451).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 149932395 and 149932404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27229 + ... + 32268.

It is an arithmetic number, because the mean of its divisors is an integer number (5801055).

Almost surely, 2^149932440 is an apocalyptic number.

149932440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149932440 is an abundant number, since it is smaller than the sum of its proper divisors (406968840).

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

149932440 is a wasteful number, since it uses less digits than its factorization.

149932440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59521 (or 59514 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 149932440 is about 12244.6902778306. The cubic root of 149932440 is about 531.2495023755.

The spelling of 149932440 in words is "one hundred forty-nine million, nine hundred thirty-two thousand, four hundred forty".