146523331 has 2 divisors, whose sum is σ = 146523332. Its totient is φ = 146523330.

The previous prime is 146523287. The next prime is 146523347. The reversal of 146523331 is 133325641.

146523331 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 is a cyclic number.

It is not a de Polignac number, because 146523331 - 2¹³ = 146515139 is a prime.

It is a super-2 number, since 2×146523331² = 42938173054671122, 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 146523331.

It is not a weakly prime, because it can be changed into another prime (146523361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73261665 + 73261666.

It is an arithmetic number, because the mean of its divisors is an integer number (73261666).

Almost surely, 2^146523331 is an apocalyptic number.

146523331 is a deficient number, since it is larger than the sum of its proper divisors (1).

146523331 is an equidigital number, since it uses as much as digits as its factorization.

146523331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 28.

The square root of 146523331 is about 12104.6821932672. The cubic root of 146523331 is about 527.1921412901.

Adding to 146523331 its reverse (133325641), we get a palindrome (279848972).

The spelling of 146523331 in words is "one hundred forty-six million, five hundred twenty-three thousand, three hundred thirty-one".