513242423145 has 32 divisors (see below), whose sum is σ = 913778893440. Its totient is φ = 273324916800.

The previous prime is 513242423119. The next prime is 513242423159. The reversal of 513242423145 is 541324242315.

It is a happy number.

513242423145 is a `hidden beast` number, since 51 + 3 + 2 + 42 + 423 + 145 = 666.

It is not a de Polignac number, because 513242423145 - 2¹³ = 513242414953 is a prime.

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, 2716431 + ... + 2899220.

It is an arithmetic number, because the mean of its divisors is an integer number (28555590420).

Almost surely, 2^513242423145 is an apocalyptic number.

It is an amenable number.

513242423145 is a deficient number, since it is larger than the sum of its proper divisors (400536470295).

513242423145 is a wasteful number, since it uses less digits than its factorization.

513242423145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5616342 (or 5616336 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The spelling of 513242423145 in words is "five hundred thirteen billion, two hundred forty-two million, four hundred twenty-three thousand, one hundred forty-five".