1163044454 has 32 divisors (see below), whose sum is σ = 2157442560. Its totient is φ = 462304800.

The previous prime is 1163044433. The next prime is 1163044471. The reversal of 1163044454 is 4544403611.

It is a self number, because there is not a number n which added to its sum of digits gives 1163044454.

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, 101582 + ... + 112449.

It is an arithmetic number, because the mean of its divisors is an integer number (67420080).

Almost surely, 2^1163044454 is an apocalyptic number.

1163044454 is a deficient number, since it is larger than the sum of its proper divisors (994398106).

1163044454 is a wasteful number, since it uses less digits than its factorization.

1163044454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214076.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 1163044454 is about 34103.4375686675. The cubic root of 1163044454 is about 1051.6359845256.

The spelling of 1163044454 in words is "one billion, one hundred sixty-three million, forty-four thousand, four hundred fifty-four".