245146 has 12 divisors (see below), whose sum is σ = 404586. Its totient is φ = 111320.

The previous prime is 245131. The next prime is 245149. The reversal of 245146 is 641542.

It can be written as a sum of positive squares in only one way, i.e., 245025 + 121 = 495^2 + 11^2 .

It is a super-2 number, since 2×245146² = 120193122632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (245149) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 265 + ... + 748.

2²⁴⁵¹⁴⁶ is an apocalyptic number.

245146 is a deficient number, since it is larger than the sum of its proper divisors (159440).

245146 is a wasteful number, since it uses less digits than its factorization.

245146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037 (or 1026 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 245146 is about 495.1222071368. The cubic root of 245146 is about 62.5856745044.

Adding to 245146 its reverse (641542), we get a palindrome (886688).

The spelling of 245146 in words is "two hundred forty-five thousand, one hundred forty-six".