45143701 has 2 divisors, whose sum is σ = 45143702. Its totient is φ = 45143700.

The previous prime is 45143689. The next prime is 45143731. The reversal of 45143701 is 10734154.

45143701 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33651601 + 11492100 = 5801^2 + 3390^2 .

It is a cyclic number.

It is not a de Polignac number, because 45143701 - 2¹⁹ = 44619413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45143731) 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, 22571850 + 22571851.

It is an arithmetic number, because the mean of its divisors is an integer number (22571851).

Almost surely, 2^45143701 is an apocalyptic number.

It is an amenable number.

45143701 is a deficient number, since it is larger than the sum of its proper divisors (1).

45143701 is an equidigital number, since it uses as much as digits as its factorization.

45143701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 45143701 is about 6718.9062353928. The cubic root of 45143701 is about 356.0675423124.

Adding to 45143701 its reverse (10734154), we get a palindrome (55877855).

The spelling of 45143701 in words is "forty-five million, one hundred forty-three thousand, seven hundred one".