148515915 has 8 divisors (see below), whose sum is σ = 237625488. Its totient is φ = 79208480.

The previous prime is 148515901. The next prime is 148515919. The reversal of 148515915 is 519515841.

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 148515915 - 2⁸ = 148515659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (148515919) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4950516 + ... + 4950545.

It is an arithmetic number, because the mean of its divisors is an integer number (29703186).

Almost surely, 2^148515915 is an apocalyptic number.

148515915 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

148515915 is a deficient number, since it is larger than the sum of its proper divisors (89109573).

148515915 is an equidigital number, since it uses as much as digits as its factorization.

148515915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9901069.

The product of its digits is 36000, while the sum is 39.

The square root of 148515915 is about 12186.7105898187. The cubic root of 148515915 is about 529.5711672978.

The spelling of 148515915 in words is "one hundred forty-eight million, five hundred fifteen thousand, nine hundred fifteen".