111745390 has 64 divisors (see below), whose sum is σ = 217147392. Its totient is φ = 41328000.

The previous prime is 111745379. The next prime is 111745391. The reversal of 111745390 is 93547111.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111745391) 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, 1106340 + ... + 1106440.

It is an arithmetic number, because the mean of its divisors is an integer number (3392928).

Almost surely, 2^111745390 is an apocalyptic number.

111745390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111745390 is a deficient number, since it is larger than the sum of its proper divisors (105402002).

111745390 is a wasteful number, since it uses less digits than its factorization.

111745390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 111745390 is about 10570.9692081663. The cubic root of 111745390 is about 481.6629100306.

The spelling of 111745390 in words is "one hundred eleven million, seven hundred forty-five thousand, three hundred ninety".