146457161 has 2 divisors, whose sum is σ = 146457162. Its totient is φ = 146457160.

The previous prime is 146457121. The next prime is 146457191. The reversal of 146457161 is 161754641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133633600 + 12823561 = 11560^2 + 3581^2 .

It is a cyclic number.

It is not a de Polignac number, because 146457161 - 2¹⁰ = 146456137 is a prime.

It is not a weakly prime, because it can be changed into another prime (146457121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73228580 + 73228581.

It is an arithmetic number, because the mean of its divisors is an integer number (73228581).

Almost surely, 2^146457161 is an apocalyptic number.

It is an amenable number.

146457161 is a deficient number, since it is larger than the sum of its proper divisors (1).

146457161 is an equidigital number, since it uses as much as digits as its factorization.

146457161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 35.

The square root of 146457161 is about 12101.9486447431. The cubic root of 146457161 is about 527.1127692740.

The spelling of 146457161 in words is "one hundred forty-six million, four hundred fifty-seven thousand, one hundred sixty-one".