451620315645146 has 16 divisors (see below), whose sum is σ = 679419731160576. Its totient is φ = 225147142823136.

The previous prime is 451620315645127. The next prime is 451620315645157. The reversal of 451620315645146 is 641546513026154.

It is a super-2 number, since 2×451620315645146² (a number of 30 digits) contains 22 as substring.

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, 4968491 + ... + 30461886.

It is an arithmetic number, because the mean of its divisors is an integer number (42463733197536).

Almost surely, 2^{451620315645146} is an apocalyptic number.

451620315645146 is a deficient number, since it is larger than the sum of its proper divisors (227799415515430).

451620315645146 is a wasteful number, since it uses less digits than its factorization.

451620315645146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35449093.

The product of its (nonzero) digits is 10368000, while the sum is 53.

The spelling of 451620315645146 in words is "four hundred fifty-one trillion, six hundred twenty billion, three hundred fifteen million, six hundred forty-five thousand, one hundred forty-six".