1148685464 has 8 divisors (see below), whose sum is σ = 2153785260. Its totient is φ = 574342728.

The previous prime is 1148685443. The next prime is 1148685487. The reversal of 1148685464 is 4645868411.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71792834 + ... + 71792849.

Almost surely, 2^1148685464 is an apocalyptic number.

It is an amenable number.

1148685464 is a deficient number, since it is larger than the sum of its proper divisors (1005099796).

1148685464 is a wasteful number, since it uses less digits than its factorization.

1148685464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143585689 (or 143585685 counting only the distinct ones).

The product of its digits is 737280, while the sum is 47.

The square root of 1148685464 is about 33892.2625978261. The cubic root of 1148685464 is about 1047.2902051353.

The spelling of 1148685464 in words is "one billion, one hundred forty-eight million, six hundred eighty-five thousand, four hundred sixty-four".