6456807801145 has 32 divisors (see below), whose sum is σ = 8385353222400. Its totient is φ = 4744629976320.

The previous prime is 6456807801133. The next prime is 6456807801161. The reversal of 6456807801145 is 5411087086546.

It is not a de Polignac number, because 6456807801145 - 2¹⁷ = 6456807670073 is a prime.

It is a super-2 number, since 2×6456807801145² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11682955 + ... + 12223135.

It is an arithmetic number, because the mean of its divisors is an integer number (262042288200).

Almost surely, 2^{6456807801145} is an apocalyptic number.

6456807801145 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6456807801145 is a deficient number, since it is larger than the sum of its proper divisors (1928545421255).

6456807801145 is a wasteful number, since it uses less digits than its factorization.

6456807801145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541105.

The product of its (nonzero) digits is 6451200, while the sum is 55.

The spelling of 6456807801145 in words is "six trillion, four hundred fifty-six billion, eight hundred seven million, eight hundred one thousand, one hundred forty-five".