1148458860 has 72 divisors (see below), whose sum is σ = 3596052096. Its totient is φ = 296375040.

The previous prime is 1148458853. The next prime is 1148458877. The reversal of 1148458860 is 688548411.

1148458860 is a `hidden beast` number, since 1 + 1 + 4 + 8 + 4 + 588 + 60 = 666.

It is a super-2 number, since 2×1148458860² = 2637915506224999200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97329 + ... + 108488.

It is an arithmetic number, because the mean of its divisors is an integer number (49945168).

Almost surely, 2^1148458860 is an apocalyptic number.

1148458860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1148458860 is an abundant number, since it is smaller than the sum of its proper divisors (2447593236).

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

1148458860 is a wasteful number, since it uses less digits than its factorization.

1148458860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205863 (or 205858 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 45.

The square root of 1148458860 is about 33888.9194280372. The cubic root of 1148458860 is about 1047.2213334368.

The spelling of 1148458860 in words is "one billion, one hundred forty-eight million, four hundred fifty-eight thousand, eight hundred sixty".