146517971 has 2 divisors, whose sum is σ = 146517972. Its totient is φ = 146517970.

The previous prime is 146517953. The next prime is 146517983. The reversal of 146517971 is 179715641.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 146517971 - 2⁶ = 146517907 is a prime.

It is not a weakly prime, because it can be changed into another prime (146517901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73258985 + 73258986.

It is an arithmetic number, because the mean of its divisors is an integer number (73258986).

Almost surely, 2^146517971 is an apocalyptic number.

146517971 is a deficient number, since it is larger than the sum of its proper divisors (1).

146517971 is an equidigital number, since it uses as much as digits as its factorization.

146517971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52920, while the sum is 41.

The square root of 146517971 is about 12104.4607893123. The cubic root of 146517971 is about 527.1857127705.

It can be divided in two parts, 14651 and 7971, that added together give a palindrome (22622).

The spelling of 146517971 in words is "one hundred forty-six million, five hundred seventeen thousand, nine hundred seventy-one".