144201397870 has 32 divisors (see below), whose sum is σ = 260847619200. Its totient is φ = 57395653920.

The previous prime is 144201397867. The next prime is 144201397891. The reversal of 144201397870 is 78793102441.

It is a self number, because there is not a number n which added to its sum of digits gives 144201397870.

It is a congruent number.

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, 1689481 + ... + 1772779.

It is an arithmetic number, because the mean of its divisors is an integer number (8151488100).

Almost surely, 2^144201397870 is an apocalyptic number.

144201397870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144201397870 is a deficient number, since it is larger than the sum of its proper divisors (116646221330).

144201397870 is a wasteful number, since it uses less digits than its factorization.

144201397870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84160.

The product of its (nonzero) digits is 338688, while the sum is 46.

The spelling of 144201397870 in words is "one hundred forty-four billion, two hundred one million, three hundred ninety-seven thousand, eight hundred seventy".