142303201421 has 8 divisors (see below), whose sum is σ = 143439206400. Its totient is φ = 141168800160.

The previous prime is 142303201409. The next prime is 142303201429. The reversal of 142303201421 is 124102303241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142303201421 is a prime.

It is a super-2 number, since 2×142303201421² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142303201429) 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, 222440 + ... + 578001.

It is an arithmetic number, because the mean of its divisors is an integer number (17929900800).

Almost surely, 2^142303201421 is an apocalyptic number.

It is an amenable number.

142303201421 is a deficient number, since it is larger than the sum of its proper divisors (1136004979).

142303201421 is a wasteful number, since it uses less digits than its factorization.

142303201421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801859.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 142303201421 its reverse (124102303241), we get a palindrome (266405504662).

The spelling of 142303201421 in words is "one hundred forty-two billion, three hundred three million, two hundred one thousand, four hundred twenty-one".