64152425146 has 4 divisors (see below), whose sum is σ = 96228637722. Its totient is φ = 32076212572.

The previous prime is 64152425123. The next prime is 64152425153.

64152425146 is nontrivially palindromic in base 10.

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

It can be written as a sum of positive squares in only one way, i.e., 32571225625 + 31581199521 = 180475^2 + 177711^2 .

It is a super-2 number, since 2×64152425146² (a number of 22 digits) contains 22 as substring.

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 junction number, because it is equal to n+sod(n) for n = 64152425099 and 64152425108.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16038106285 + ... + 16038106288.

Almost surely, 2^64152425146 is an apocalyptic number.

64152425146 is a deficient number, since it is larger than the sum of its proper divisors (32076212576).

64152425146 is a wasteful number, since it uses less digits than its factorization.

64152425146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32076212575.

The product of its digits is 230400, while the sum is 40.

The spelling of 64152425146 in words is "sixty-four billion, one hundred fifty-two million, four hundred twenty-five thousand, one hundred forty-six".