45147 has 8 divisors (see below), whose sum is σ = 61200. Its totient is φ = 29600.

The previous prime is 45139. The next prime is 45161. The reversal of 45147 is 74154.

45147 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45147 - 2³ = 45139 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 45147.

It is not an unprimeable number, because it can be changed into a prime (45127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229 + ... + 377.

It is an arithmetic number, because the mean of its divisors is an integer number (7650).

2⁴⁵¹⁴⁷ is an apocalyptic number.

45147 is a deficient number, since it is larger than the sum of its proper divisors (16053).

45147 is a wasteful number, since it uses less digits than its factorization.

45147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253.

The product of its digits is 560, while the sum is 21.

The square root of 45147 is about 212.4782341794. The cubic root of 45147 is about 35.6076215639.

It can be divided in two parts, 4 and 5147, that added together give a triangular number (5151 = T₁₀₁).

The spelling of 45147 in words is "forty-five thousand, one hundred forty-seven".