1148874815 has 32 divisors (see below), whose sum is σ = 1543643136. Its totient is φ = 813692160.

The previous prime is 1148874743. The next prime is 1148874821. The reversal of 1148874815 is 5184788411.

It is a happy number.

It is not a de Polignac number, because 1148874815 - 2¹² = 1148870719 is a prime.

It is a super-4 number, since 4×1148874815⁴ (a number of 37 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1148874815.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 575459 + ... + 577451.

It is an arithmetic number, because the mean of its divisors is an integer number (48238848).

Almost surely, 2^1148874815 is an apocalyptic number.

1148874815 is a deficient number, since it is larger than the sum of its proper divisors (394768321).

1148874815 is a wasteful number, since it uses less digits than its factorization.

1148874815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2279.

The product of its digits is 286720, while the sum is 47.

The square root of 1148874815 is about 33895.0559079049. The cubic root of 1148874815 is about 1047.3477475925.

The spelling of 1148874815 in words is "one billion, one hundred forty-eight million, eight hundred seventy-four thousand, eight hundred fifteen".