45130 has 8 divisors (see below), whose sum is σ = 81252. Its totient is φ = 18048.

The previous prime is 45127. The next prime is 45131. The reversal of 45130 is 3154.

It can be written as a sum of positive squares in 2 ways, for example, as 36481 + 8649 = 191^2 + 93^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 45130.

It is not an unprimeable number, because it can be changed into a prime (45131) 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, 2247 + ... + 2266.

2⁴⁵¹³⁰ is an apocalyptic number.

45130 is a deficient number, since it is larger than the sum of its proper divisors (36122).

45130 is a wasteful number, since it uses less digits than its factorization.

45130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4520.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 45130 is about 212.4382263153. The cubic root of 45130 is about 35.6031516799.

Adding to 45130 its reverse (3154), we get a palindrome (48284).

It can be divided in two parts, 451 and 30, that multiplied together give a triangular number (13530 = T₁₆₄).

The spelling of 45130 in words is "forty-five thousand, one hundred thirty".