146812669 has 2 divisors, whose sum is σ = 146812670. Its totient is φ = 146812668.

The previous prime is 146812637. The next prime is 146812739. The reversal of 146812669 is 966218641.

146812669 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., 115025625 + 31787044 = 10725^2 + 5638^2 .

It is a cyclic number.

It is not a de Polignac number, because 146812669 - 2⁵ = 146812637 is a prime.

It is a super-2 number, since 2×146812669² = 43107919557807122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146810669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73406334 + 73406335.

It is an arithmetic number, because the mean of its divisors is an integer number (73406335).

Almost surely, 2^146812669 is an apocalyptic number.

It is an amenable number.

146812669 is a deficient number, since it is larger than the sum of its proper divisors (1).

146812669 is an equidigital number, since it uses as much as digits as its factorization.

146812669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 43.

The square root of 146812669 is about 12116.6277899422. The cubic root of 146812669 is about 527.5389266213.

The spelling of 146812669 in words is "one hundred forty-six million, eight hundred twelve thousand, six hundred sixty-nine".