245002 has 4 divisors (see below), whose sum is σ = 367506. Its totient is φ = 122500.

The previous prime is 244997. The next prime is 245023. The reversal of 245002 is 200542.

245002 = T₃₄₈ + T₃₄₉ + ... + T₃₅₁.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200542 = 2 ⋅100271.

It can be written as a sum of positive squares in only one way, i.e., 123201 + 121801 = 351^2 + 349^2 .

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

245002 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61249 + ... + 61252.

2²⁴⁵⁰⁰² is an apocalyptic number.

245002 is a deficient number, since it is larger than the sum of its proper divisors (122504).

245002 is a wasteful number, since it uses less digits than its factorization.

245002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122503.

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 245002 is about 494.9767671315. The cubic root of 245002 is about 62.5734177236.

Adding to 245002 its reverse (200542), we get a palindrome (445544).

The spelling of 245002 in words is "two hundred forty-five thousand, two".