14521002978342 has 48 divisors (see below), whose sum is σ = 33784178725440. Its totient is φ = 4148781758352.

The previous prime is 14521002978341. The next prime is 14521002978347. The reversal of 14521002978342 is 24387920012541.

It is a junction number, because it is equal to n+sod(n) for n = 14521002978291 and 14521002978300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14521002978341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16670509 + ... + 17519927.

It is an arithmetic number, because the mean of its divisors is an integer number (703837056780).

Almost surely, 2^{14521002978342} is an apocalyptic number.

14521002978342 is an abundant number, since it is smaller than the sum of its proper divisors (19263175747098).

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

14521002978342 is a wasteful number, since it uses less digits than its factorization.

14521002978342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907585 (or 907578 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 14521002978342 in words is "fourteen trillion, five hundred twenty-one billion, two million, nine hundred seventy-eight thousand, three hundred forty-two".