111354453 has 32 divisors (see below), whose sum is σ = 189112320. Its totient is φ = 63437040.

The previous prime is 111354443. The next prime is 111354457. The reversal of 111354453 is 354453111.

It is a happy number.

111354453 is a `hidden beast` number, since 1 + 113 + 544 + 5 + 3 = 666.

It is not a de Polignac number, because 111354453 - 2⁸ = 111354197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111354457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80776 + ... + 82142.

It is an arithmetic number, because the mean of its divisors is an integer number (5909760).

Almost surely, 2^111354453 is an apocalyptic number.

It is an amenable number.

111354453 is a deficient number, since it is larger than the sum of its proper divisors (77757867).

111354453 is a wasteful number, since it uses less digits than its factorization.

111354453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814 (or 1808 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 111354453 is about 10552.4619402299. The cubic root of 111354453 is about 481.1005606055.

The spelling of 111354453 in words is "one hundred eleven million, three hundred fifty-four thousand, four hundred fifty-three".