45051 has 4 divisors (see below), whose sum is σ = 60072. Its totient is φ = 30032.

The previous prime is 45013. The next prime is 45053. The reversal of 45051 is 15054.

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 45051 - 2⁶ = 44987 is a prime.

It is a D-number.

45051 is a lucky number.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 45051.

It is not an unprimeable number, because it can be changed into a prime (45053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7506 + ... + 7511.

It is an arithmetic number, because the mean of its divisors is an integer number (15018).

2⁴⁵⁰⁵¹ is an apocalyptic number.

45051 is a deficient number, since it is larger than the sum of its proper divisors (15021).

45051 is a wasteful number, since it uses less digits than its factorization.

45051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15020.

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 45051 is about 212.2522084691. The cubic root of 45051 is about 35.5823651243.

The spelling of 45051 in words is "forty-five thousand, fifty-one".