146111257 has 2 divisors, whose sum is σ = 146111258. Its totient is φ = 146111256.

The previous prime is 146111233. The next prime is 146111267. The reversal of 146111257 is 752111641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141633801 + 4477456 = 11901^2 + 2116^2 .

It is a cyclic number.

It is not a de Polignac number, because 146111257 - 2¹¹ = 146109209 is a prime.

It is not a weakly prime, because it can be changed into another prime (146111227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73055628 + 73055629.

It is an arithmetic number, because the mean of its divisors is an integer number (73055629).

Almost surely, 2^146111257 is an apocalyptic number.

It is an amenable number.

146111257 is a deficient number, since it is larger than the sum of its proper divisors (1).

146111257 is an equidigital number, since it uses as much as digits as its factorization.

146111257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1680, while the sum is 28.

The square root of 146111257 is about 12087.6489442737. The cubic root of 146111257 is about 526.6974620584.

Adding to 146111257 its reverse (752111641), we get a palindrome (898222898).

The spelling of 146111257 in words is "one hundred forty-six million, one hundred eleven thousand, two hundred fifty-seven".