64145222462 has 4 divisors (see below), whose sum is σ = 96217833696. Its totient is φ = 32072611230.

The previous prime is 64145222431. The next prime is 64145222521. The reversal of 64145222462 is 26422254146.

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

It is a super-2 number, since 2×64145222462² (a number of 22 digits) contains 22 as substring.

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, 16036305614 + ... + 16036305617.

It is an arithmetic number, because the mean of its divisors is an integer number (24054458424).

Almost surely, 2^64145222462 is an apocalyptic number.

64145222462 is a deficient number, since it is larger than the sum of its proper divisors (32072611234).

64145222462 is a wasteful number, since it uses less digits than its factorization.

64145222462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32072611233.

The product of its digits is 184320, while the sum is 38.

The spelling of 64145222462 in words is "sixty-four billion, one hundred forty-five million, two hundred twenty-two thousand, four hundred sixty-two".