144201397836 has 48 divisors (see below), whose sum is σ = 340536430080. Its totient is φ = 47488749120.

The previous prime is 144201397787. The next prime is 144201397859. The reversal of 144201397836 is 638793102441.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295021 + ... + 612731.

It is an arithmetic number, because the mean of its divisors is an integer number (7094508960).

Almost surely, 2^144201397836 is an apocalyptic number.

It is an amenable number.

144201397836 is an abundant number, since it is smaller than the sum of its proper divisors (196335032244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144201397836 is a wasteful number, since it uses less digits than its factorization.

144201397836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318174 (or 318172 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 144201397836 in words is "one hundred forty-four billion, two hundred one million, three hundred ninety-seven thousand, eight hundred thirty-six".