513142455 has 48 divisors (see below), whose sum is σ = 980938080. Its totient is φ = 228227328.

The previous prime is 513142453. The next prime is 513142459. The reversal of 513142455 is 554241315.

It is not a de Polignac number, because 513142455 - 2¹ = 513142453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513142453) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17761 + ... + 36629.

It is an arithmetic number, because the mean of its divisors is an integer number (20436210).

Almost surely, 2^513142455 is an apocalyptic number.

513142455 is a deficient number, since it is larger than the sum of its proper divisors (467795625).

513142455 is a wasteful number, since it uses less digits than its factorization.

513142455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18928 (or 18921 counting only the distinct ones).

The product of its digits is 12000, while the sum is 30.

The square root of 513142455 is about 22652.6478584734. The cubic root of 513142455 is about 800.5945866198.

It can be divided in two parts, 5131 and 42455, that added together give a triangular number (47586 = T₃₀₈).

The spelling of 513142455 in words is "five hundred thirteen million, one hundred forty-two thousand, four hundred fifty-five".