146571457 has 2 divisors, whose sum is σ = 146571458. Its totient is φ = 146571456.

The previous prime is 146571437. The next prime is 146571461. The reversal of 146571457 is 754175641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103550976 + 43020481 = 10176^2 + 6559^2 .

It is a cyclic number.

It is not a de Polignac number, because 146571457 - 2⁷ = 146571329 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (146571407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73285728 + 73285729.

It is an arithmetic number, because the mean of its divisors is an integer number (73285729).

Almost surely, 2^146571457 is an apocalyptic number.

It is an amenable number.

146571457 is a deficient number, since it is larger than the sum of its proper divisors (1).

146571457 is an equidigital number, since it uses as much as digits as its factorization.

146571457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 117600, while the sum is 40.

The square root of 146571457 is about 12106.6699385091. The cubic root of 146571457 is about 527.2498542189.

The spelling of 146571457 in words is "one hundred forty-six million, five hundred seventy-one thousand, four hundred fifty-seven".