1158456455 has 16 divisors (see below), whose sum is σ = 1506060864. Its totient is φ = 850344960.

The previous prime is 1158456443. The next prime is 1158456463. The reversal of 1158456455 is 5546548511.

It is not a de Polignac number, because 1158456455 - 2¹⁴ = 1158440071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42506 + ... + 64215.

It is an arithmetic number, because the mean of its divisors is an integer number (94128804).

Almost surely, 2^1158456455 is an apocalyptic number.

1158456455 is a deficient number, since it is larger than the sum of its proper divisors (347604409).

1158456455 is a wasteful number, since it uses less digits than its factorization.

1158456455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106906.

The product of its digits is 480000, while the sum is 44.

The square root of 1158456455 is about 34036.1051678949. The cubic root of 1158456455 is about 1050.2513245706.

The spelling of 1158456455 in words is "one billion, one hundred fifty-eight million, four hundred fifty-six thousand, four hundred fifty-five".