45671237 has 2 divisors, whose sum is σ = 45671238. Its totient is φ = 45671236.

The previous prime is 45671233. The next prime is 45671267. The reversal of 45671237 is 73217654.

45671237 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., 39112516 + 6558721 = 6254^2 + 2561^2 .

It is a cyclic number.

It is not a de Polignac number, because 45671237 - 2² = 45671233 is a prime.

It is a super-2 number, since 2×45671237² = 4171723778220338, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 45671197 and 45671206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45671233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22835618 + 22835619.

It is an arithmetic number, because the mean of its divisors is an integer number (22835619).

Almost surely, 2^45671237 is an apocalyptic number.

It is an amenable number.

45671237 is a deficient number, since it is larger than the sum of its proper divisors (1).

45671237 is an equidigital number, since it uses as much as digits as its factorization.

45671237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35280, while the sum is 35.

The square root of 45671237 is about 6758.0497926547. The cubic root of 45671237 is about 357.4491413787.

The spelling of 45671237 in words is "forty-five million, six hundred seventy-one thousand, two hundred thirty-seven".