1148479592 has 32 divisors (see below), whose sum is σ = 2368396800. Its totient is φ = 518787264.

The previous prime is 1148479483. The next prime is 1148479597. The reversal of 1148479592 is 2959748411.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1148479592.

It is not an unprimeable number, because it can be changed into a prime (1148479597) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112592 + ... + 122367.

It is an arithmetic number, because the mean of its divisors is an integer number (74012400).

Almost surely, 2^1148479592 is an apocalyptic number.

It is an amenable number.

1148479592 is an abundant number, since it is smaller than the sum of its proper divisors (1219917208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1148479592 is a wasteful number, since it uses less digits than its factorization.

1148479592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235025 (or 235021 counting only the distinct ones).

The product of its digits is 725760, while the sum is 50.

The square root of 1148479592 is about 33889.2253083484. The cubic root of 1148479592 is about 1047.2276348850.

The spelling of 1148479592 in words is "one billion, one hundred forty-eight million, four hundred seventy-nine thousand, five hundred ninety-two".