515364142 has 4 divisors (see below), whose sum is σ = 773046216. Its totient is φ = 257682070.

The previous prime is 515364139. The next prime is 515364167. The reversal of 515364142 is 241463515.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241463515 = 5 ⋅48292703.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128841034 + ... + 128841037.

It is an arithmetic number, because the mean of its divisors is an integer number (193261554).

Almost surely, 2^515364142 is an apocalyptic number.

515364142 is a deficient number, since it is larger than the sum of its proper divisors (257682074).

515364142 is a wasteful number, since it uses less digits than its factorization.

515364142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257682073.

The product of its digits is 14400, while the sum is 31.

The square root of 515364142 is about 22701.6330249610. The cubic root of 515364142 is about 801.7483336700.

The spelling of 515364142 in words is "five hundred fifteen million, three hundred sixty-four thousand, one hundred forty-two".