146466431 has 2 divisors, whose sum is σ = 146466432. Its totient is φ = 146466430.

The previous prime is 146466409. The next prime is 146466449. The reversal of 146466431 is 134664641.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 146466431 - 2¹⁸ = 146204287 is a prime.

It is a super-2 number, since 2×146466431² = 42904830819755522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 146466391 and 146466400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146466031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73233215 + 73233216.

It is an arithmetic number, because the mean of its divisors is an integer number (73233216).

Almost surely, 2^146466431 is an apocalyptic number.

146466431 is a deficient number, since it is larger than the sum of its proper divisors (1).

146466431 is an equidigital number, since it uses as much as digits as its factorization.

146466431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 35.

The square root of 146466431 is about 12102.3316348545. The cubic root of 146466431 is about 527.1238902331.

The spelling of 146466431 in words is "one hundred forty-six million, four hundred sixty-six thousand, four hundred thirty-one".