146111857 has 2 divisors, whose sum is σ = 146111858. Its totient is φ = 146111856.

The previous prime is 146111809. The next prime is 146111863. The reversal of 146111857 is 758111641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99380961 + 46730896 = 9969^2 + 6836^2 .

It is a cyclic number.

It is not a de Polignac number, because 146111857 - 2²³ = 137723249 is a prime.

It is not a weakly prime, because it can be changed into another prime (146111887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73055928 + 73055929.

It is an arithmetic number, because the mean of its divisors is an integer number (73055929).

Almost surely, 2^146111857 is an apocalyptic number.

It is an amenable number.

146111857 is a deficient number, since it is larger than the sum of its proper divisors (1).

146111857 is an equidigital number, since it uses as much as digits as its factorization.

146111857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 34.

The square root of 146111857 is about 12087.6737629703. The cubic root of 146111857 is about 526.6981830114.

The spelling of 146111857 in words is "one hundred forty-six million, one hundred eleven thousand, eight hundred fifty-seven".