149433750 has 120 divisors (see below), whose sum is σ = 416679120. Its totient is φ = 38664000.

The previous prime is 149433749. The next prime is 149433751. The reversal of 149433750 is 57334941.

It is an interprime number because it is at equal distance from previous prime (149433749) and next prime (149433751).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149433751) 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 59 ways as a sum of consecutive naturals, for example, 416071 + ... + 416429.

It is an arithmetic number, because the mean of its divisors is an integer number (3472326).

Almost surely, 2^149433750 is an apocalyptic number.

149433750 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 149433750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208339560).

149433750 is an abundant number, since it is smaller than the sum of its proper divisors (267245370).

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

149433750 is a wasteful number, since it uses less digits than its factorization.

149433750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 149433750 is about 12224.3097964670. The cubic root of 149433750 is about 530.6598521644.

The spelling of 149433750 in words is "one hundred forty-nine million, four hundred thirty-three thousand, seven hundred fifty".