451045401354242 has 16 divisors (see below), whose sum is σ = 682929324956160. Its totient is φ = 223409166319008.

The previous prime is 451045401354239. The next prime is 451045401354263. The reversal of 451045401354242 is 242453104540154.

It is a junction number, because it is equal to n+sod(n) for n = 451045401354193 and 451045401354202.

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, 1718189318 + ... + 1718451809.

It is an arithmetic number, because the mean of its divisors is an integer number (42683082809760).

Almost surely, 2^{451045401354242} is an apocalyptic number.

451045401354242 is a deficient number, since it is larger than the sum of its proper divisors (231883923601918).

451045401354242 is a wasteful number, since it uses less digits than its factorization.

451045401354242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3436641745.

The product of its (nonzero) digits is 1536000, while the sum is 44.

Adding to 451045401354242 its reverse (242453104540154), we get a palindrome (693498505894396).

The spelling of 451045401354242 in words is "four hundred fifty-one trillion, forty-five billion, four hundred one million, three hundred fifty-four thousand, two hundred forty-two".