146455121 has 2 divisors, whose sum is σ = 146455122. Its totient is φ = 146455120.

The previous prime is 146455103. The next prime is 146455123. The reversal of 146455121 is 121554641.

146455121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145323025 + 1132096 = 12055^2 + 1064^2 .

It is a cyclic number.

It is not a de Polignac number, because 146455121 - 2²² = 142260817 is a prime.

It is a Sophie Germain prime.

Together with 146455123, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (146455123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73227560 + 73227561.

It is an arithmetic number, because the mean of its divisors is an integer number (73227561).

Almost surely, 2^146455121 is an apocalyptic number.

It is an amenable number.

146455121 is a deficient number, since it is larger than the sum of its proper divisors (1).

146455121 is an equidigital number, since it uses as much as digits as its factorization.

146455121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4800, while the sum is 29.

The square root of 146455121 is about 12101.8643605025. The cubic root of 146455121 is about 527.1103218802.

The spelling of 146455121 in words is "one hundred forty-six million, four hundred fifty-five thousand, one hundred twenty-one".