45402660241 has 3 divisors (see below), whose sum is σ = 45402873321. Its totient is φ = 45402447162.

The previous prime is 45402660229. The next prime is 45402660269. The reversal of 45402660241 is 14206620454.

The square root of 45402660241 is 213079.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a de Polignac number, because none of the positive numbers 2^k-45402660241 is a prime.

It is a super-2 number, since 2×45402660241² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45402660197 and 45402660206.

It is not an unprimeable number, because it can be changed into a prime (45402660211) 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 2 ways as a sum of consecutive naturals, for example, 106540 + ... + 319618.

It is an arithmetic number, because the mean of its divisors is an integer number (15134291107).

Almost surely, 2^45402660241 is an apocalyptic number.

45402660241 is the 213079-th square number.

45402660241 is the 106540-th centered octagonal number.

It is an amenable number.

45402660241 is a deficient number, since it is larger than the sum of its proper divisors (213080).

45402660241 is an frugal number, since it uses more digits than its factorization.

45402660241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426158 (or 213079 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 45402660241 in words is "forty-five billion, four hundred two million, six hundred sixty thousand, two hundred forty-one".