612145256062 has 4 divisors (see below), whose sum is σ = 918217884096. Its totient is φ = 306072628030.

The previous prime is 612145256017. The next prime is 612145256101. The reversal of 612145256062 is 260652541216.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153036314014 + ... + 153036314017.

It is an arithmetic number, because the mean of its divisors is an integer number (229554471024).

Almost surely, 2^612145256062 is an apocalyptic number.

612145256062 is a deficient number, since it is larger than the sum of its proper divisors (306072628034).

612145256062 is a wasteful number, since it uses less digits than its factorization.

612145256062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306072628033.

The product of its (nonzero) digits is 172800, while the sum is 40.

Adding to 612145256062 its reverse (260652541216), we get a palindrome (872797797278).

The spelling of 612145256062 in words is "six hundred twelve billion, one hundred forty-five million, two hundred fifty-six thousand, sixty-two".