149555416 has 8 divisors (see below), whose sum is σ = 280416420. Its totient is φ = 74777704.

The previous prime is 149555411. The next prime is 149555431. The reversal of 149555416 is 614555941.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149555411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9347206 + ... + 9347221.

Almost surely, 2^149555416 is an apocalyptic number.

It is an amenable number.

149555416 is a deficient number, since it is larger than the sum of its proper divisors (130861004).

149555416 is a wasteful number, since it uses less digits than its factorization.

149555416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18694433 (or 18694429 counting only the distinct ones).

The product of its digits is 108000, while the sum is 40.

The square root of 149555416 is about 12229.2851794371. The cubic root of 149555416 is about 530.8038306776.

The spelling of 149555416 in words is "one hundred forty-nine million, five hundred fifty-five thousand, four hundred sixteen".