45655261 has 4 divisors (see below), whose sum is σ = 45671452. Its totient is φ = 45639072.

The previous prime is 45655243. The next prime is 45655273. The reversal of 45655261 is 16255654.

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 25351225 + 20304036 = 5035^2 + 4506^2 .

It is a cyclic number.

It is not a de Polignac number, because 45655261 - 2¹⁷ = 45524189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45655861) 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, 2640 + ... + 9913.

It is an arithmetic number, because the mean of its divisors is an integer number (11417863).

Almost surely, 2^45655261 is an apocalyptic number.

It is an amenable number.

45655261 is a deficient number, since it is larger than the sum of its proper divisors (16191).

45655261 is a wasteful number, since it uses less digits than its factorization.

45655261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16190.

The product of its digits is 36000, while the sum is 34.

The square root of 45655261 is about 6756.8676914677. The cubic root of 45655261 is about 357.4074574229.

The spelling of 45655261 in words is "forty-five million, six hundred fifty-five thousand, two hundred sixty-one".