1402345220144 has 40 divisors (see below), whose sum is σ = 3012638823120. Its totient is φ = 626979974400.

The previous prime is 1402345220077. The next prime is 1402345220149. The reversal of 1402345220144 is 4410225432041.

It is a self number, because there is not a number n which added to its sum of digits gives 1402345220144.

It is not an unprimeable number, because it can be changed into a prime (1402345220149) 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, 65299679 + ... + 65321150.

It is an arithmetic number, because the mean of its divisors is an integer number (75315970578).

Almost surely, 2^{1402345220144} is an apocalyptic number.

It is an amenable number.

1402345220144 is an abundant number, since it is smaller than the sum of its proper divisors (1610293602976).

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

1402345220144 is a wasteful number, since it uses less digits than its factorization.

1402345220144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130620909 (or 130620903 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

The spelling of 1402345220144 in words is "one trillion, four hundred two billion, three hundred forty-five million, two hundred twenty thousand, one hundred forty-four".