145598111 has 2 divisors, whose sum is σ = 145598112. Its totient is φ = 145598110.

The previous prime is 145598069. The next prime is 145598147. The reversal of 145598111 is 111895541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145598111 - 2¹⁰ = 145597087 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 (145598161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72799055 + 72799056.

It is an arithmetic number, because the mean of its divisors is an integer number (72799056).

Almost surely, 2^145598111 is an apocalyptic number.

145598111 is a deficient number, since it is larger than the sum of its proper divisors (1).

145598111 is an equidigital number, since it uses as much as digits as its factorization.

145598111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 35.

The square root of 145598111 is about 12066.4042282695. The cubic root of 145598111 is about 526.0801477335.

The spelling of 145598111 in words is "one hundred forty-five million, five hundred ninety-eight thousand, one hundred eleven".