245454 has 16 divisors (see below), whose sum is σ = 535680. Its totient is φ = 74360.

The previous prime is 245437. The next prime is 245471. The reversal of 245454 is 454542.

It is an interprime number because it is at equal distance from previous prime (245437) and next prime (245471).

It is a super-2 number, since 2×245454² = 120495332232, which contains 22 as substring.

245454 is a modest number, since divided by 5454 gives 24 as remainder.

It is a congruent number.

It is an unprimeable number.

245454 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 7 ways as a sum of consecutive naturals, for example, 1794 + ... + 1925.

It is an arithmetic number, because the mean of its divisors is an integer number (33480).

2²⁴⁵⁴⁵⁴ is an apocalyptic number.

245454 is an abundant number, since it is smaller than the sum of its proper divisors (290226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245454 is a wasteful number, since it uses less digits than its factorization.

245454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3735.

The product of its digits is 3200, while the sum is 24.

The square root of 245454 is about 495.4331438247. The cubic root of 245454 is about 62.6118742935.

Adding to 245454 its reverse (454542), we get a palindrome (699996).

The spelling of 245454 in words is "two hundred forty-five thousand, four hundred fifty-four".