1155505454 has 8 divisors (see below), whose sum is σ = 1744737168. Its totient is φ = 573926400.

The previous prime is 1155505451. The next prime is 1155505457. The reversal of 1155505454 is 4545055511.

It is an interprime number because it is at equal distance from previous prime (1155505451) and next prime (1155505457).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1155505454² = 2670385708447492232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155505451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1912787 + ... + 1913390.

It is an arithmetic number, because the mean of its divisors is an integer number (218092146).

Almost surely, 2^1155505454 is an apocalyptic number.

1155505454 is a deficient number, since it is larger than the sum of its proper divisors (589231714).

1155505454 is a wasteful number, since it uses less digits than its factorization.

1155505454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3826330.

The product of its (nonzero) digits is 50000, while the sum is 35.

The square root of 1155505454 is about 33992.7264867059. The cubic root of 1155505454 is about 1049.3587782594.

The spelling of 1155505454 in words is "one billion, one hundred fifty-five million, five hundred five thousand, four hundred fifty-four".