149336424 has 96 divisors (see below), whose sum is σ = 435801600. Its totient is φ = 46062720.

The previous prime is 149336423. The next prime is 149336491. The reversal of 149336424 is 424633941.

It is a happy number.

149336424 is a `hidden beast` number, since 1 + 4 + 9 + 3 + 3 + 642 + 4 = 666.

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

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (149336423) 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 23 ways as a sum of consecutive naturals, for example, 49882 + ... + 52790.

It is an arithmetic number, because the mean of its divisors is an integer number (4539600).

Almost surely, 2^149336424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149336424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217900800).

149336424 is an abundant number, since it is smaller than the sum of its proper divisors (286465176).

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

149336424 is a wasteful number, since it uses less digits than its factorization.

149336424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2975 (or 2968 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 149336424 is about 12220.3283098287. The cubic root of 149336424 is about 530.5446211286.

The spelling of 149336424 in words is "one hundred forty-nine million, three hundred thirty-six thousand, four hundred twenty-four".