45057739 has 2 divisors, whose sum is σ = 45057740. Its totient is φ = 45057738.

The previous prime is 45057737. The next prime is 45057743. The reversal of 45057739 is 93775054.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45057739 - 2¹ = 45057737 is a prime.

Together with 45057737, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (45057737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22528869 + 22528870.

It is an arithmetic number, because the mean of its divisors is an integer number (22528870).

Almost surely, 2^45057739 is an apocalyptic number.

45057739 is a deficient number, since it is larger than the sum of its proper divisors (1).

45057739 is an equidigital number, since it uses as much as digits as its factorization.

45057739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 132300, while the sum is 40.

The square root of 45057739 is about 6712.5061638705. The cubic root of 45057739 is about 355.8413924405.

It can be divided in two parts, 45057 and 739, that added together give a square (45796 = 214²).

The spelling of 45057739 in words is "forty-five million, fifty-seven thousand, seven hundred thirty-nine".