145864518844 has 12 divisors (see below), whose sum is σ = 278468626968. Its totient is φ = 66302054000.

The previous prime is 145864518817. The next prime is 145864518893. The reversal of 145864518844 is 448815468541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1657551307 + ... + 1657551394.

It is an arithmetic number, because the mean of its divisors is an integer number (23205718914).

Almost surely, 2^145864518844 is an apocalyptic number.

It is an amenable number.

145864518844 is a deficient number, since it is larger than the sum of its proper divisors (132604108124).

145864518844 is a wasteful number, since it uses less digits than its factorization.

145864518844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3315102716 (or 3315102714 counting only the distinct ones).

The product of its digits is 19660800, while the sum is 58.

The spelling of 145864518844 in words is "one hundred forty-five billion, eight hundred sixty-four million, five hundred eighteen thousand, eight hundred forty-four".