453145 has 24 divisors (see below), whose sum is σ = 689472. Its totient is φ = 279840.

The previous prime is 453143. The next prime is 453157. The reversal of 453145 is 541354.

It is not a de Polignac number, because 453145 - 2¹ = 453143 is a prime.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

453145 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (453143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4182 + ... + 4288.

It is an arithmetic number, because the mean of its divisors is an integer number (28728).

2⁴⁵³¹⁴⁵ is an apocalyptic number.

It is an amenable number.

453145 is a deficient number, since it is larger than the sum of its proper divisors (236327).

453145 is a wasteful number, since it uses less digits than its factorization.

453145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 130 counting only the distinct ones).

The product of its digits is 1200, while the sum is 22.

The square root of 453145 is about 673.1604563549. The cubic root of 453145 is about 76.8090506731.

Adding to 453145 its reverse (541354), we get a palindrome (994499).

Subtracting 453145 from its reverse (541354), we obtain a square (88209 = 297²).

The spelling of 453145 in words is "four hundred fifty-three thousand, one hundred forty-five".