142446032346 has 32 divisors (see below), whose sum is σ = 286240780800. Its totient is φ = 47257405184.

The previous prime is 142446032327. The next prime is 142446032359. The reversal of 142446032346 is 643230644241.

142446032346 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×142446032346² (a number of 23 digits) contains 22 as substring.

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, 3332566 + ... + 3375038.

It is an arithmetic number, because the mean of its divisors is an integer number (8945024400).

Almost surely, 2^142446032346 is an apocalyptic number.

142446032346 is an abundant number, since it is smaller than the sum of its proper divisors (143794748454).

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

142446032346 is a wasteful number, since it uses less digits than its factorization.

142446032346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45110.

The product of its (nonzero) digits is 331776, while the sum is 39.

Adding to 142446032346 its reverse (643230644241), we get a palindrome (785676676587).

The spelling of 142446032346 in words is "one hundred forty-two billion, four hundred forty-six million, thirty-two thousand, three hundred forty-six".