45142387 has 2 divisors, whose sum is σ = 45142388. Its totient is φ = 45142386.

The previous prime is 45142351. The next prime is 45142393. The reversal of 45142387 is 78324154.

45142387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45142387 is a prime.

It is not a weakly prime, because it can be changed into another prime (45142087) 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, 22571193 + 22571194.

It is an arithmetic number, because the mean of its divisors is an integer number (22571194).

Almost surely, 2^45142387 is an apocalyptic number.

45142387 is a deficient number, since it is larger than the sum of its proper divisors (1).

45142387 is an equidigital number, since it uses as much as digits as its factorization.

45142387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26880, while the sum is 34.

The square root of 45142387 is about 6718.8084509085. The cubic root of 45142387 is about 356.0640875869.

The spelling of 45142387 in words is "forty-five million, one hundred forty-two thousand, three hundred eighty-seven".