149002915 has 4 divisors (see below), whose sum is σ = 178803504. Its totient is φ = 119202328.

The previous prime is 149002879. The next prime is 149002939. The reversal of 149002915 is 519200941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 519200941 = 7 ⋅74171563.

It is a cyclic number.

It is not a de Polignac number, because 149002915 - 2¹¹ = 149000867 is a prime.

It is a super-6 number, since 6×149002915⁶ (a number of 50 digits) contains 666666 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14900287 + ... + 14900296.

It is an arithmetic number, because the mean of its divisors is an integer number (44700876).

Almost surely, 2^149002915 is an apocalyptic number.

149002915 is a deficient number, since it is larger than the sum of its proper divisors (29800589).

149002915 is an equidigital number, since it uses as much as digits as its factorization.

149002915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29800588.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 149002915 is about 12206.6750182021. The cubic root of 149002915 is about 530.1493764311.

The spelling of 149002915 in words is "one hundred forty-nine million, two thousand, nine hundred fifteen".