146091637 has 2 divisors, whose sum is σ = 146091638. Its totient is φ = 146091636.

The previous prime is 146091613. The next prime is 146091643. The reversal of 146091637 is 736190641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140517316 + 5574321 = 11854^2 + 2361^2 .

It is a cyclic number.

It is not a de Polignac number, because 146091637 - 2⁷ = 146091509 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 146091596 and 146091605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146091667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73045818 + 73045819.

It is an arithmetic number, because the mean of its divisors is an integer number (73045819).

Almost surely, 2^146091637 is an apocalyptic number.

It is an amenable number.

146091637 is a deficient number, since it is larger than the sum of its proper divisors (1).

146091637 is an equidigital number, since it uses as much as digits as its factorization.

146091637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 146091637 is about 12086.8373448144. The cubic root of 146091637 is about 526.6738858079.

The spelling of 146091637 in words is "one hundred forty-six million, ninety-one thousand, six hundred thirty-seven".