111474149 has 2 divisors, whose sum is σ = 111474150. Its totient is φ = 111474148.

The previous prime is 111474137. The next prime is 111474163. The reversal of 111474149 is 941474111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110460100 + 1014049 = 10510^2 + 1007^2 .

It is a cyclic number.

It is not a de Polignac number, because 111474149 - 2²⁰ = 110425573 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111474199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55737074 + 55737075.

It is an arithmetic number, because the mean of its divisors is an integer number (55737075).

Almost surely, 2^111474149 is an apocalyptic number.

It is an amenable number.

111474149 is a deficient number, since it is larger than the sum of its proper divisors (1).

111474149 is an equidigital number, since it uses as much as digits as its factorization.

111474149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 32.

The square root of 111474149 is about 10558.1318896858. The cubic root of 111474149 is about 481.2728787909.

The spelling of 111474149 in words is "one hundred eleven million, four hundred seventy-four thousand, one hundred forty-nine".