1148239715 has 16 divisors (see below), whose sum is σ = 1577776320. Its totient is φ = 785840640.

The previous prime is 1148239699. The next prime is 1148239723. The reversal of 1148239715 is 5179328411.

It is not a de Polignac number, because 1148239715 - 2⁴ = 1148239699 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13250 + ... + 49719.

It is an arithmetic number, because the mean of its divisors is an integer number (98611020).

Almost surely, 2^1148239715 is an apocalyptic number.

1148239715 is a deficient number, since it is larger than the sum of its proper divisors (429536605).

1148239715 is an equidigital number, since it uses as much as digits as its factorization.

1148239715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63502.

The product of its digits is 60480, while the sum is 41.

The square root of 1148239715 is about 33885.6859898099. The cubic root of 1148239715 is about 1047.1547201328.

The spelling of 1148239715 in words is "one billion, one hundred forty-eight million, two hundred thirty-nine thousand, seven hundred fifteen".