45142039 has 2 divisors, whose sum is σ = 45142040. Its totient is φ = 45142038.

The previous prime is 45142033. The next prime is 45142063. The reversal of 45142039 is 93024154.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45142039 - 2⁵ = 45142007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45141998 and 45142016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45142033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22571019 + 22571020.

It is an arithmetic number, because the mean of its divisors is an integer number (22571020).

Almost surely, 2^45142039 is an apocalyptic number.

45142039 is a deficient number, since it is larger than the sum of its proper divisors (1).

45142039 is an equidigital number, since it uses as much as digits as its factorization.

45142039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 45142039 is about 6718.7825534095. The cubic root of 45142039 is about 356.0631726255.

The spelling of 45142039 in words is "forty-five million, one hundred forty-two thousand, thirty-nine".