512342145 has 64 divisors (see below), whose sum is σ = 1069155840. Its totient is φ = 227867904.

The previous prime is 512342137. The next prime is 512342153. The reversal of 512342145 is 541243215.

512342145 is a `hidden beast` number, since 512 + 3 + 4 + 2 + 145 = 666.

It is an interprime number because it is at equal distance from previous prime (512342137) and next prime (512342153).

It is not a de Polignac number, because 512342145 - 2³ = 512342137 is a prime.

It is a super-5 number, since 5×512342145⁵ (a number of 45 digits) contains 55555 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27639 + ... + 42291.

It is an arithmetic number, because the mean of its divisors is an integer number (16705560).

Almost surely, 2^512342145 is an apocalyptic number.

It is an amenable number.

512342145 is an abundant number, since it is smaller than the sum of its proper divisors (556813695).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

512342145 is a wasteful number, since it uses less digits than its factorization.

512342145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14711 (or 14705 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 512342145 is about 22634.9761431286. The cubic root of 512342145 is about 800.1781608413.

The spelling of 512342145 in words is "five hundred twelve million, three hundred forty-two thousand, one hundred forty-five".