149913215 has 8 divisors (see below), whose sum is σ = 179968608. Its totient is φ = 119882080.

The previous prime is 149913199. The next prime is 149913223. The reversal of 149913215 is 512319941.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 149913215 - 2⁴ = 149913199 is a prime.

It is a Duffinian number.

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, 12974 + ... + 21636.

It is an arithmetic number, because the mean of its divisors is an integer number (22496076).

Almost surely, 2^149913215 is an apocalyptic number.

149913215 is a deficient number, since it is larger than the sum of its proper divisors (30055393).

149913215 is an equidigital number, since it uses as much as digits as its factorization.

149913215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12129.

The product of its digits is 9720, while the sum is 35.

The square root of 149913215 is about 12243.9052185159. The cubic root of 149913215 is about 531.2267950187.

The spelling of 149913215 in words is "one hundred forty-nine million, nine hundred thirteen thousand, two hundred fifteen".