45121763 has 4 divisors (see below), whose sum is σ = 45446520. Its totient is φ = 44797008.

The previous prime is 45121733. The next prime is 45121777. The reversal of 45121763 is 36712154.

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

It is a cyclic number.

It is not a de Polignac number, because 45121763 - 2⁸ = 45121507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45121733) 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, 162170 + ... + 162447.

It is an arithmetic number, because the mean of its divisors is an integer number (11361630).

Almost surely, 2^45121763 is an apocalyptic number.

45121763 is a deficient number, since it is larger than the sum of its proper divisors (324757).

45121763 is a wasteful number, since it uses less digits than its factorization.

45121763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324756.

The product of its digits is 5040, while the sum is 29.

The square root of 45121763 is about 6717.2734796195. The cubic root of 45121763 is about 356.0098548591.

The spelling of 45121763 in words is "forty-five million, one hundred twenty-one thousand, seven hundred sixty-three".