45054391 has 2 divisors, whose sum is σ = 45054392. Its totient is φ = 45054390.

The previous prime is 45054389. The next prime is 45054409. The reversal of 45054391 is 19345054.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45054391 - 2¹ = 45054389 is a prime.

Together with 45054389, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45054311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22527195 + 22527196.

It is an arithmetic number, because the mean of its divisors is an integer number (22527196).

Almost surely, 2^45054391 is an apocalyptic number.

45054391 is a deficient number, since it is larger than the sum of its proper divisors (1).

45054391 is an equidigital number, since it uses as much as digits as its factorization.

45054391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 45054391 is about 6712.2567739919. The cubic root of 45054391 is about 355.8325786642.

The spelling of 45054391 in words is "forty-five million, fifty-four thousand, three hundred ninety-one".