45443197 has 2 divisors, whose sum is σ = 45443198. Its totient is φ = 45443196.

The previous prime is 45443191. The next prime is 45443243. The reversal of 45443197 is 79134454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45441081 + 2116 = 6741^2 + 46^2 .

It is a cyclic number.

It is not a de Polignac number, because 45443197 - 2¹⁵ = 45410429 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45443191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22721598 + 22721599.

It is an arithmetic number, because the mean of its divisors is an integer number (22721599).

Almost surely, 2^45443197 is an apocalyptic number.

It is an amenable number.

45443197 is a deficient number, since it is larger than the sum of its proper divisors (1).

45443197 is an equidigital number, since it uses as much as digits as its factorization.

45443197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 37.

The square root of 45443197 is about 6741.1569481803. The cubic root of 45443197 is about 356.8532247687.

The spelling of 45443197 in words is "forty-five million, four hundred forty-three thousand, one hundred ninety-seven".