45990671 has 2 divisors, whose sum is σ = 45990672. Its totient is φ = 45990670.

The previous prime is 45990617. The next prime is 45990673. The reversal of 45990671 is 17609954.

Added to its reverse (17609954) it gives a square (63600625 = 7975²).

Together with previous prime (45990617) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45990671 is a prime.

Together with 45990673, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45990673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22995335 + 22995336.

It is an arithmetic number, because the mean of its divisors is an integer number (22995336).

Almost surely, 2^45990671 is an apocalyptic number.

45990671 is a deficient number, since it is larger than the sum of its proper divisors (1).

45990671 is an equidigital number, since it uses as much as digits as its factorization.

45990671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 45990671 is about 6781.6422052479. The cubic root of 45990671 is about 358.2805635411.

Adding to 45990671 its reverse (17609954), we get a square (63600625 = 7975²).

The spelling of 45990671 in words is "forty-five million, nine hundred ninety thousand, six hundred seventy-one".