149634408 has 192 divisors, whose sum is σ = 498718080. Its totient is φ = 36495360.

The previous prime is 149634377. The next prime is 149634413. The reversal of 149634408 is 804436941.

It is a happy number.

It is a super-3 number, since 3×149634408³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 345360 + ... + 345792.

It is an arithmetic number, because the mean of its divisors is an integer number (2597490).

Almost surely, 2^149634408 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 149634408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249359040).

149634408 is an abundant number, since it is smaller than the sum of its proper divisors (349083672).

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

149634408 is a wasteful number, since it uses less digits than its factorization.

149634408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488 (or 473 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 149634408 is about 12232.5143776740. The cubic root of 149634408 is about 530.8972673391.

The spelling of 149634408 in words is "one hundred forty-nine million, six hundred thirty-four thousand, four hundred eight".