513422645145 has 16 divisors (see below), whose sum is σ = 840580331712. Its totient is φ = 267457377600.

The previous prime is 513422645143. The next prime is 513422645179. The reversal of 513422645145 is 541546224315.

It is not a de Polignac number, because 513422645145 - 2¹ = 513422645143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 513422645097 and 513422645106.

It is not an unprimeable number, because it can be changed into a prime (513422645143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398001406 + ... + 398002695.

It is an arithmetic number, because the mean of its divisors is an integer number (52536270732).

Almost surely, 2^513422645145 is an apocalyptic number.

It is an amenable number.

513422645145 is a deficient number, since it is larger than the sum of its proper divisors (327157686567).

513422645145 is a wasteful number, since it uses less digits than its factorization.

513422645145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796004152.

The product of its digits is 576000, while the sum is 42.

It can be divided in two parts, 5134226 and 45145, that added together give a triangular number (5179371 = T₃₂₁₈).

The spelling of 513422645145 in words is "five hundred thirteen billion, four hundred twenty-two million, six hundred forty-five thousand, one hundred forty-five".