45750281 has 4 divisors (see below), whose sum is σ = 48441492. Its totient is φ = 43059072.

The previous prime is 45750269. The next prime is 45750293. The reversal of 45750281 is 18205754.

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

It is an interprime number because it is at equal distance from previous prime (45750269) and next prime (45750293).

It can be written as a sum of positive squares in 2 ways, for example, as 30415225 + 15335056 = 5515^2 + 3916^2 .

It is a cyclic number.

It is not a de Polignac number, because 45750281 - 2⁶ = 45750217 is a prime.

It is a super-2 number, since 2×45750281² = 4186176423157922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45756281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1345580 + ... + 1345613.

It is an arithmetic number, because the mean of its divisors is an integer number (12110373).

Almost surely, 2^45750281 is an apocalyptic number.

It is an amenable number.

45750281 is a deficient number, since it is larger than the sum of its proper divisors (2691211).

45750281 is a wasteful number, since it uses less digits than its factorization.

45750281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2691210.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 45750281 is about 6763.8954013202. The cubic root of 45750281 is about 357.6552369976.

The spelling of 45750281 in words is "forty-five million, seven hundred fifty thousand, two hundred eighty-one".