142246031430 has 32 divisors (see below), whose sum is σ = 341401300704. Its totient is φ = 37931072256.

The previous prime is 142246031413. The next prime is 142246031479. The reversal of 142246031430 is 34130642241.

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, 1297722 + ... + 1403058.

It is an arithmetic number, because the mean of its divisors is an integer number (10668790647).

Almost surely, 2^142246031430 is an apocalyptic number.

142246031430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142246031430 is an abundant number, since it is smaller than the sum of its proper divisors (199155269274).

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

142246031430 is a wasteful number, since it uses less digits than its factorization.

142246031430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150360.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 142246031430 its reverse (34130642241), we get a palindrome (176376673671).

The spelling of 142246031430 in words is "one hundred forty-two billion, two hundred forty-six million, thirty-one thousand, four hundred thirty".