245254331402 has 16 divisors (see below), whose sum is σ = 368217526272. Its totient is φ = 122515197840.

The previous prime is 245254331363. The next prime is 245254331431. The reversal of 245254331402 is 204133452542.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18725168 + ... + 18738260.

It is an arithmetic number, because the mean of its divisors is an integer number (23013595392).

Almost surely, 2^245254331402 is an apocalyptic number.

245254331402 is a deficient number, since it is larger than the sum of its proper divisors (122963194870).

245254331402 is a wasteful number, since it uses less digits than its factorization.

245254331402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20933.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 245254331402 its reverse (204133452542), we get a palindrome (449387783944).

The spelling of 245254331402 in words is "two hundred forty-five billion, two hundred fifty-four million, three hundred thirty-one thousand, four hundred two".