454321720102 has 4 divisors (see below), whose sum is σ = 681482580156. Its totient is φ = 227160860050.

The previous prime is 454321720087. The next prime is 454321720121. The reversal of 454321720102 is 201027123454.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113580430024 + ... + 113580430027.

It is an arithmetic number, because the mean of its divisors is an integer number (170370645039).

Almost surely, 2^454321720102 is an apocalyptic number.

454321720102 is a deficient number, since it is larger than the sum of its proper divisors (227160860054).

454321720102 is a wasteful number, since it uses less digits than its factorization.

454321720102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227160860053.

The product of its (nonzero) digits is 13440, while the sum is 31.

Adding to 454321720102 its reverse (201027123454), we get a palindrome (655348843556).

The spelling of 454321720102 in words is "four hundred fifty-four billion, three hundred twenty-one million, seven hundred twenty thousand, one hundred two".