149970384 has 30 divisors (see below), whose sum is σ = 419709186. Its totient is φ = 49990080.

The previous prime is 149970383. The next prime is 149970407. The reversal of 149970384 is 483079941.

It can be written as a sum of positive squares in only one way, i.e., 148352400 + 1617984 = 12180^2 + 1272^2 .

It is a super-2 number, since 2×149970384² = 44982232154214912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149970383) 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 5 ways as a sum of consecutive naturals, for example, 520587 + ... + 520874.

Almost surely, 2^149970384 is an apocalyptic number.

It is an amenable number.

149970384 is an abundant number, since it is smaller than the sum of its proper divisors (269738802).

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

149970384 is a wasteful number, since it uses less digits than its factorization.

149970384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041475 (or 1041466 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 149970384 is about 12246.2395860934. The cubic root of 149970384 is about 531.2943137383.

The spelling of 149970384 in words is "one hundred forty-nine million, nine hundred seventy thousand, three hundred eighty-four".