111747345 has 32 divisors (see below), whose sum is σ = 184947840. Its totient is φ = 57576960.

The previous prime is 111747331. The next prime is 111747367. The reversal of 111747345 is 543747111.

It is a happy number.

It is not a de Polignac number, because 111747345 - 2⁴ = 111747329 is a prime.

It is a super-2 number, since 2×111747345² = 24974938229098050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66202 + ... + 67868.

It is an arithmetic number, because the mean of its divisors is an integer number (5779620).

Almost surely, 2^111747345 is an apocalyptic number.

111747345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111747345 is a deficient number, since it is larger than the sum of its proper divisors (73200495).

111747345 is a wasteful number, since it uses less digits than its factorization.

111747345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1825.

The product of its digits is 11760, while the sum is 33.

The square root of 111747345 is about 10571.0616779962. The cubic root of 111747345 is about 481.6657189324.

The spelling of 111747345 in words is "one hundred eleven million, seven hundred forty-seven thousand, three hundred forty-five".