144365857858 has 8 divisors (see below), whose sum is σ = 217254158352. Its totient is φ = 71947805076.

The previous prime is 144365857847. The next prime is 144365857897. The reversal of 144365857858 is 858758563441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 144365857858.

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, 117561160 + ... + 117562387.

It is an arithmetic number, because the mean of its divisors is an integer number (27156769794).

Almost surely, 2^144365857858 is an apocalyptic number.

144365857858 is a deficient number, since it is larger than the sum of its proper divisors (72888300494).

144365857858 is a wasteful number, since it uses less digits than its factorization.

144365857858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235123856.

The product of its digits is 129024000, while the sum is 64.

The spelling of 144365857858 in words is "one hundred forty-four billion, three hundred sixty-five million, eight hundred fifty-seven thousand, eight hundred fifty-eight".