149417744 has 80 divisors (see below), whose sum is σ = 345513600. Its totient is φ = 61243392.

The previous prime is 149417717. The next prime is 149417761. The reversal of 149417744 is 447714941.

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, 581264 + ... + 581520.

It is an arithmetic number, because the mean of its divisors is an integer number (4318920).

Almost surely, 2^149417744 is an apocalyptic number.

149417744 is a gapful number since it is divisible by the number (14) 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 149417744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172756800).

149417744 is an abundant number, since it is smaller than the sum of its proper divisors (196095856).

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

149417744 is a wasteful number, since it uses less digits than its factorization.

149417744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480 (or 474 counting only the distinct ones).

The product of its digits is 112896, while the sum is 41.

The square root of 149417744 is about 12223.6550998464. The cubic root of 149417744 is about 530.6409049835.

The spelling of 149417744 in words is "one hundred forty-nine million, four hundred seventeen thousand, seven hundred forty-four".