1140453555 has 16 divisors (see below), whose sum is σ = 1829196960. Its totient is φ = 606751488.

The previous prime is 1140453533. The next prime is 1140453557. The reversal of 1140453555 is 5553540411.

It is not a de Polignac number, because 1140453555 - 2²⁰ = 1139404979 is a prime.

It is a super-2 number, since 2×1140453555² = 2601268622224276050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1140453557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86812 + ... + 99081.

It is an arithmetic number, because the mean of its divisors is an integer number (114324810).

Almost surely, 2^1140453555 is an apocalyptic number.

1140453555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1140453555 is a deficient number, since it is larger than the sum of its proper divisors (688743405).

1140453555 is a wasteful number, since it uses less digits than its factorization.

1140453555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186310.

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 1140453555 is about 33770.6019342268. The cubic root of 1140453555 is about 1044.7824474817.

Adding to 1140453555 its reverse (5553540411), we get a palindrome (6693993966).

The spelling of 1140453555 in words is "one billion, one hundred forty million, four hundred fifty-three thousand, five hundred fifty-five".