45217741 has 4 divisors (see below), whose sum is σ = 45618012. Its totient is φ = 44817472.

The previous prime is 45217729. The next prime is 45217751. The reversal of 45217741 is 14771254.

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 19105641 + 26112100 = 4371^2 + 5110^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45217741 is a prime.

It is a super-2 number, since 2×45217741² = 4089288202286162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45217751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199966 + ... + 200191.

It is an arithmetic number, because the mean of its divisors is an integer number (11404503).

Almost surely, 2^45217741 is an apocalyptic number.

It is an amenable number.

45217741 is a deficient number, since it is larger than the sum of its proper divisors (400271).

45217741 is a wasteful number, since it uses less digits than its factorization.

45217741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400270.

The product of its digits is 7840, while the sum is 31.

The square root of 45217741 is about 6724.4138034479. The cubic root of 45217741 is about 356.2620976296.

Adding to 45217741 its reverse (14771254), we get a palindrome (59988995).

The spelling of 45217741 in words is "forty-five million, two hundred seventeen thousand, seven hundred forty-one".