149481396 has 24 divisors (see below), whose sum is σ = 387544640. Its totient is φ = 49827096.

The previous prime is 149481389. The next prime is 149481403. The reversal of 149481396 is 693184941.

It is an interprime number because it is at equal distance from previous prime (149481389) and next prime (149481403).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 691936 + ... + 692151.

Almost surely, 2^149481396 is an apocalyptic number.

It is an amenable number.

149481396 is an abundant number, since it is smaller than the sum of its proper divisors (238063244).

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

149481396 is a wasteful number, since it uses less digits than its factorization.

149481396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384100 (or 1384092 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 149481396 is about 12226.2584628332. The cubic root of 149481396 is about 530.7162453433.

The spelling of 149481396 in words is "one hundred forty-nine million, four hundred eighty-one thousand, three hundred ninety-six".