111453028 has 18 divisors (see below), whose sum is σ = 200466546. Its totient is φ = 54217728.

The previous prime is 111453007. The next prime is 111453073. The reversal of 111453028 is 820354111.

It can be written as a sum of positive squares in 3 ways, for example, as 55472704 + 55980324 = 7448^2 + 7482^2 .

It is a super-3 number, since 3×111453028³ (a number of 25 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 111452993 and 111453011.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4701 + ... + 15652.

Almost surely, 2^111453028 is an apocalyptic number.

It is an amenable number.

111453028 is a deficient number, since it is larger than the sum of its proper divisors (89013518).

111453028 is a wasteful number, since it uses less digits than its factorization.

111453028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20431 (or 20392 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 111453028 is about 10557.1316180106. The cubic root of 111453028 is about 481.2424812903.

The spelling of 111453028 in words is "one hundred eleven million, four hundred fifty-three thousand, twenty-eight".