149847216 has 20 divisors (see below), whose sum is σ = 387105432. Its totient is φ = 49949056.

The previous prime is 149847179. The next prime is 149847241. The reversal of 149847216 is 612748941.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1560861 + ... + 1560956.

Almost surely, 2^149847216 is an apocalyptic number.

149847216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

149847216 is an abundant number, since it is smaller than the sum of its proper divisors (237258216).

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

149847216 is a wasteful number, since it uses less digits than its factorization.

149847216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3121828 (or 3121822 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 149847216 is about 12241.2097441389. The cubic root of 149847216 is about 531.1488263896.

The spelling of 149847216 in words is "one hundred forty-nine million, eight hundred forty-seven thousand, two hundred sixteen".