245235442 has 4 divisors (see below), whose sum is σ = 367853166. Its totient is φ = 122617720.

The previous prime is 245235439. The next prime is 245235443. The reversal of 245235442 is 244532542.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 171636201 + 73599241 = 13101^2 + 8579^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (245235443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61308859 + ... + 61308862.

Almost surely, 2^245235442 is an apocalyptic number.

245235442 is a deficient number, since it is larger than the sum of its proper divisors (122617724).

245235442 is a wasteful number, since it uses less digits than its factorization.

245235442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122617723.

The product of its digits is 38400, while the sum is 31.

The square root of 245235442 is about 15659.9949552993. The cubic root of 245235442 is about 625.9328508103.

Adding to 245235442 its reverse (244532542), we get a palindrome (489767984).

The spelling of 245235442 in words is "two hundred forty-five million, two hundred thirty-five thousand, four hundred forty-two".