149470015 has 4 divisors (see below), whose sum is σ = 179364024. Its totient is φ = 119576008.

The previous prime is 149469989. The next prime is 149470019. The reversal of 149470015 is 510074941.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149470015 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149470019) by changing a digit.

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, 14946997 + ... + 14947006.

It is an arithmetic number, because the mean of its divisors is an integer number (44841006).

Almost surely, 2^149470015 is an apocalyptic number.

149470015 is a deficient number, since it is larger than the sum of its proper divisors (29894009).

149470015 is an equidigital number, since it uses as much as digits as its factorization.

149470015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29894008.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 149470015 is about 12225.7930213136. The cubic root of 149470015 is about 530.7027760309.

The spelling of 149470015 in words is "one hundred forty-nine million, four hundred seventy thousand, fifteen".