146543953 has 2 divisors, whose sum is σ = 146543954. Its totient is φ = 146543952.

The previous prime is 146543951. The next prime is 146543959. The reversal of 146543953 is 359345641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123810129 + 22733824 = 11127^2 + 4768^2 .

It is a cyclic number.

It is not a de Polignac number, because 146543953 - 2¹ = 146543951 is a prime.

Together with 146543951, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (146543951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73271976 + 73271977.

It is an arithmetic number, because the mean of its divisors is an integer number (73271977).

Almost surely, 2^146543953 is an apocalyptic number.

It is an amenable number.

146543953 is a deficient number, since it is larger than the sum of its proper divisors (1).

146543953 is an equidigital number, since it uses as much as digits as its factorization.

146543953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 194400, while the sum is 40.

The square root of 146543953 is about 12105.5339824396. The cubic root of 146543953 is about 527.2168728381.

The spelling of 146543953 in words is "one hundred forty-six million, five hundred forty-three thousand, nine hundred fifty-three".