111452145 has 32 divisors (see below), whose sum is σ = 208776960. Its totient is φ = 49704960.

The previous prime is 111452123. The next prime is 111452147. The reversal of 111452145 is 541254111.

It is not a de Polignac number, because 111452145 - 2⁵ = 111452113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111452147) 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, 8640 + ... + 17249.

It is an arithmetic number, because the mean of its divisors is an integer number (6524280).

Almost surely, 2^111452145 is an apocalyptic number.

111452145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111452145 is a deficient number, since it is larger than the sum of its proper divisors (97324815).

111452145 is a wasteful number, since it uses less digits than its factorization.

111452145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25945.

The product of its digits is 800, while the sum is 24.

The square root of 111452145 is about 10557.0897978562. The cubic root of 111452145 is about 481.2412103865.

The spelling of 111452145 in words is "one hundred eleven million, four hundred fifty-two thousand, one hundred forty-five".