245302534402 has 4 divisors (see below), whose sum is σ = 367953801606. Its totient is φ = 122651267200.

The previous prime is 245302534361. The next prime is 245302534417. The reversal of 245302534402 is 204435203542.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 204435203542 = 2 ⋅102217601771.

It can be written as a sum of positive squares in only one way, i.e., 184967946241 + 60334588161 = 430079^2 + 245631^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61325633599 + ... + 61325633602.

Almost surely, 2^245302534402 is an apocalyptic number.

245302534402 is a deficient number, since it is larger than the sum of its proper divisors (122651267204).

245302534402 is a wasteful number, since it uses less digits than its factorization.

245302534402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122651267203.

The product of its (nonzero) digits is 115200, while the sum is 34.

Adding to 245302534402 its reverse (204435203542), we get a palindrome (449737737944).

The spelling of 245302534402 in words is "two hundred forty-five billion, three hundred two million, five hundred thirty-four thousand, four hundred two".