461243444152645 has 16 divisors (see below), whose sum is σ = 690068113849728. Its totient is φ = 287528380770240.

The previous prime is 461243444152619. The next prime is 461243444152657. The reversal of 461243444152645 is 546251444342164.

It is not a de Polignac number, because 461243444152645 - 2¹¹ = 461243444150597 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 599017459554 + ... + 599017460323.

It is an arithmetic number, because the mean of its divisors is an integer number (43129257115608).

Almost surely, 2^{461243444152645} is an apocalyptic number.

It is an amenable number.

461243444152645 is a deficient number, since it is larger than the sum of its proper divisors (228824669697083).

461243444152645 is a wasteful number, since it uses less digits than its factorization.

461243444152645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198034919900.

The product of its digits is 44236800, while the sum is 55.

The spelling of 461243444152645 in words is "four hundred sixty-one trillion, two hundred forty-three billion, four hundred forty-four million, one hundred fifty-two thousand, six hundred forty-five".