45141091 has 2 divisors, whose sum is σ = 45141092. Its totient is φ = 45141090.

The previous prime is 45141079. The next prime is 45141101. The reversal of 45141091 is 19014154.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45141091 - 2¹¹ = 45139043 is a prime.

It is not a weakly prime, because it can be changed into another prime (45141191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22570545 + 22570546.

It is an arithmetic number, because the mean of its divisors is an integer number (22570546).

Almost surely, 2^45141091 is an apocalyptic number.

45141091 is a deficient number, since it is larger than the sum of its proper divisors (1).

45141091 is an equidigital number, since it uses as much as digits as its factorization.

45141091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 45141091 is about 6718.7120045437. The cubic root of 45141091 is about 356.0606801207.

The spelling of 45141091 in words is "forty-five million, one hundred forty-one thousand, ninety-one".