146326457 has 2 divisors, whose sum is σ = 146326458. Its totient is φ = 146326456.

The previous prime is 146326451. The next prime is 146326469. The reversal of 146326457 is 754623641.

It is a happy number.

146326457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135932281 + 10394176 = 11659^2 + 3224^2 .

It is a cyclic number.

It is not a de Polignac number, because 146326457 - 2¹² = 146322361 is a prime.

It is a super-2 number, since 2×146326457² = 42822864036345698, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 146326457.

It is not a weakly prime, because it can be changed into another prime (146326451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73163228 + 73163229.

It is an arithmetic number, because the mean of its divisors is an integer number (73163229).

Almost surely, 2^146326457 is an apocalyptic number.

It is an amenable number.

146326457 is a deficient number, since it is larger than the sum of its proper divisors (1).

146326457 is an equidigital number, since it uses as much as digits as its factorization.

146326457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 38.

The square root of 146326457 is about 12096.5473173133. The cubic root of 146326457 is about 526.9559173724.

The spelling of 146326457 in words is "one hundred forty-six million, three hundred twenty-six thousand, four hundred fifty-seven".