149433375 has 128 divisors (see below), whose sum is σ = 318689280. Its totient is φ = 60480000.

The previous prime is 149433373. The next prime is 149433379. The reversal of 149433375 is 573334941.

It is not a de Polignac number, because 149433375 - 2¹ = 149433373 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149433373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 989550 + ... + 989700.

It is an arithmetic number, because the mean of its divisors is an integer number (2489760).

Almost surely, 2^149433375 is an apocalyptic number.

149433375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

149433375 is an abundant number, since it is smaller than the sum of its proper divisors (169255905).

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

149433375 is a wasteful number, since it uses less digits than its factorization.

149433375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 208 counting only the distinct ones).

The product of its digits is 136080, while the sum is 39.

The square root of 149433375 is about 12224.2944581681. The cubic root of 149433375 is about 530.6594082718.

The spelling of 149433375 in words is "one hundred forty-nine million, four hundred thirty-three thousand, three hundred seventy-five".