245402243521102 has 8 divisors (see below), whose sum is σ = 368104182541200. Its totient is φ = 122700849340704.

The previous prime is 245402243521073. The next prime is 245402243521103. The reversal of 245402243521102 is 201125342204542.

It is a happy number.

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

It is a super-2 number, since 2×245402243521102² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245402243521103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135082027 + ... + 136886662.

It is an arithmetic number, because the mean of its divisors is an integer number (46013022817650).

Almost surely, 2^{245402243521102} is an apocalyptic number.

245402243521102 is a deficient number, since it is larger than the sum of its proper divisors (122701939020098).

245402243521102 is a wasteful number, since it uses less digits than its factorization.

245402243521102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272419850.

The product of its (nonzero) digits is 153600, while the sum is 37.

Adding to 245402243521102 its reverse (201125342204542), we get a palindrome (446527585725644).

The spelling of 245402243521102 in words is "two hundred forty-five trillion, four hundred two billion, two hundred forty-three million, five hundred twenty-one thousand, one hundred two".