421144545353142 has 32 divisors (see below), whose sum is σ = 908469656666208. Its totient is φ = 129384494539776.

The previous prime is 421144545353131. The next prime is 421144545353149. The reversal of 421144545353142 is 241353545441124.

It is a junction number, because it is equal to n+sod(n) for n = 421144545353091 and 421144545353100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421144545353149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4134167323 + ... + 4134269190.

It is an arithmetic number, because the mean of its divisors is an integer number (28389676770819).

Almost surely, 2^{421144545353142} is an apocalyptic number.

421144545353142 is an abundant number, since it is smaller than the sum of its proper divisors (487325111313066).

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

421144545353142 is a wasteful number, since it uses less digits than its factorization.

421144545353142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8268437184.

The product of its digits is 4608000, while the sum is 48.

The spelling of 421144545353142 in words is "four hundred twenty-one trillion, one hundred forty-four billion, five hundred forty-five million, three hundred fifty-three thousand, one hundred forty-two".