149491416 has 16 divisors (see below), whose sum is σ = 373728600. Its totient is φ = 49830464.

The previous prime is 149491403. The next prime is 149491439. The reversal of 149491416 is 614194941.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3114381 + ... + 3114428.

Almost surely, 2^149491416 is an apocalyptic number.

It is an amenable number.

149491416 is an abundant number, since it is smaller than the sum of its proper divisors (224237184).

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

149491416 is a wasteful number, since it uses less digits than its factorization.

149491416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6228818 (or 6228814 counting only the distinct ones).

The product of its digits is 31104, while the sum is 39.

The square root of 149491416 is about 12226.6682297345. The cubic root of 149491416 is about 530.7281033584.

The spelling of 149491416 in words is "one hundred forty-nine million, four hundred ninety-one thousand, four hundred sixteen".