45784397 has 2 divisors, whose sum is σ = 45784398. Its totient is φ = 45784396.

The previous prime is 45784391. The next prime is 45784423. The reversal of 45784397 is 79348754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36168196 + 9616201 = 6014^2 + 3101^2 .

It is a cyclic number.

It is not a de Polignac number, because 45784397 - 2⁴ = 45784381 is a prime.

It is a super-2 number, since 2×45784397² = 4192422017307218, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45784391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22892198 + 22892199.

It is an arithmetic number, because the mean of its divisors is an integer number (22892199).

Almost surely, 2^45784397 is an apocalyptic number.

It is an amenable number.

45784397 is a deficient number, since it is larger than the sum of its proper divisors (1).

45784397 is an equidigital number, since it uses as much as digits as its factorization.

45784397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 846720, while the sum is 47.

The square root of 45784397 is about 6766.4168508894. The cubic root of 45784397 is about 357.7441161193.

The spelling of 45784397 in words is "forty-five million, seven hundred eighty-four thousand, three hundred ninety-seven".