1152455918 has 4 divisors (see below), whose sum is σ = 1728683880. Its totient is φ = 576227958.

The previous prime is 1152455897. The next prime is 1152455923. The reversal of 1152455918 is 8195542511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8195542511 = 13 ⋅630426347.

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, 288113978 + ... + 288113981.

It is an arithmetic number, because the mean of its divisors is an integer number (432170970).

Almost surely, 2^1152455918 is an apocalyptic number.

1152455918 is a deficient number, since it is larger than the sum of its proper divisors (576227962).

1152455918 is an equidigital number, since it uses as much as digits as its factorization.

1152455918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576227961.

The product of its digits is 72000, while the sum is 41.

The square root of 1152455918 is about 33947.8411390180. The cubic root of 1152455918 is about 1048.4348314781.

The spelling of 1152455918 in words is "one billion, one hundred fifty-two million, four hundred fifty-five thousand, nine hundred eighteen".