45159701 has 4 divisors (see below), whose sum is σ = 47816172. Its totient is φ = 42503232.

The previous prime is 45159691. The next prime is 45159707. The reversal of 45159701 is 10795154.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27300625 + 17859076 = 5225^2 + 4226^2 .

It is a cyclic number.

It is not a de Polignac number, because 45159701 - 2¹⁸ = 44897557 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45159707) 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 in 3 ways as a sum of consecutive naturals, for example, 1328210 + ... + 1328243.

It is an arithmetic number, because the mean of its divisors is an integer number (11954043).

Almost surely, 2^45159701 is an apocalyptic number.

It is an amenable number.

45159701 is a deficient number, since it is larger than the sum of its proper divisors (2656471).

45159701 is a wasteful number, since it uses less digits than its factorization.

45159701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2656470.

The product of its (nonzero) digits is 6300, while the sum is 32.

The square root of 45159701 is about 6720.0967998980. The cubic root of 45159701 is about 356.1096036087.

The spelling of 45159701 in words is "forty-five million, one hundred fifty-nine thousand, seven hundred one".