64145654146 has 16 divisors (see below), whose sum is σ = 110202523200. Its totient is φ = 27431358480.

The previous prime is 64145654137. The next prime is 64145654147.

64145654146 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×64145654146² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64145654096 and 64145654105.

It is not an unprimeable number, because it can be changed into a prime (64145654147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4962996 + ... + 4975903.

It is an arithmetic number, because the mean of its divisors is an integer number (6887657700).

Almost surely, 2^64145654146 is an apocalyptic number.

64145654146 is a deficient number, since it is larger than the sum of its proper divisors (46056869054).

64145654146 is a wasteful number, since it uses less digits than its factorization.

64145654146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9939369.

The product of its digits is 1382400, while the sum is 46.

The spelling of 64145654146 in words is "sixty-four billion, one hundred forty-five million, six hundred fifty-four thousand, one hundred forty-six".