149417456 has 20 divisors (see below), whose sum is σ = 289719552. Its totient is φ = 74651136.

The previous prime is 149417431. The next prime is 149417461. The reversal of 149417456 is 654714941.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24401 + ... + 29903.

Almost surely, 2^149417456 is an apocalyptic number.

149417456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

149417456 is a deficient number, since it is larger than the sum of its proper divisors (140302096).

149417456 is a wasteful number, since it uses less digits than its factorization.

149417456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7208 (or 7202 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 149417456 is about 12223.6433194036. The cubic root of 149417456 is about 530.6405640497.

The spelling of 149417456 in words is "one hundred forty-nine million, four hundred seventeen thousand, four hundred fifty-six".