142203462420 has 48 divisors (see below), whose sum is σ = 402035437440. Its totient is φ = 37552757376.

The previous prime is 142203462301. The next prime is 142203462431. The reversal of 142203462420 is 24264302241.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11498955 + ... + 11511314.

It is an arithmetic number, because the mean of its divisors is an integer number (8375738280).

Almost surely, 2^142203462420 is an apocalyptic number.

142203462420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142203462420 is an abundant number, since it is smaller than the sum of its proper divisors (259831975020).

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

142203462420 is a wasteful number, since it uses less digits than its factorization.

142203462420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23010384 (or 23010382 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 142203462420 its reverse (24264302241), we get a palindrome (166467764661).

The spelling of 142203462420 in words is "one hundred forty-two billion, two hundred three million, four hundred sixty-two thousand, four hundred twenty".