245225405402 has 8 divisors (see below), whose sum is σ = 367850123712. Its totient is φ = 122608697500.

The previous prime is 245225405351. The next prime is 245225405423. The reversal of 245225405402 is 204504522542.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1925474 + ... + 2048877.

It is an arithmetic number, because the mean of its divisors is an integer number (45981265464).

Almost surely, 2^245225405402 is an apocalyptic number.

245225405402 is a deficient number, since it is larger than the sum of its proper divisors (122624718310).

245225405402 is a wasteful number, since it uses less digits than its factorization.

245225405402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4005204.

The product of its (nonzero) digits is 128000, while the sum is 35.

Adding to 245225405402 its reverse (204504522542), we get a palindrome (449729927944).

The spelling of 245225405402 in words is "two hundred forty-five billion, two hundred twenty-five million, four hundred five thousand, four hundred two".