420142042245 has 32 divisors (see below), whose sum is σ = 701675384832. Its totient is φ = 214265851712.

The previous prime is 420142042219. The next prime is 420142042259. The reversal of 420142042245 is 542240241024.

It is a cyclic number.

It is not a de Polignac number, because 420142042245 - 2¹⁴ = 420142025861 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 914932 + ... + 1295138.

It is an arithmetic number, because the mean of its divisors is an integer number (21927355776).

Almost surely, 2^420142042245 is an apocalyptic number.

It is an amenable number.

420142042245 is a deficient number, since it is larger than the sum of its proper divisors (281533342587).

420142042245 is a wasteful number, since it uses less digits than its factorization.

420142042245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383441.

The product of its (nonzero) digits is 20480, while the sum is 30.

Adding to 420142042245 its reverse (542240241024), we get a palindrome (962382283269).

The spelling of 420142042245 in words is "four hundred twenty billion, one hundred forty-two million, forty-two thousand, two hundred forty-five".