142272616450 has 24 divisors (see below), whose sum is σ = 271779153012. Its totient is φ = 55370963520.

The previous prime is 142272616427. The next prime is 142272616469. The reversal of 142272616450 is 54616272241.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 125445597489 + 16827018961 = 354183^2 + 129719^2 .

It is a super-3 number, since 3×142272616450³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38450209 + ... + 38453908.

Almost surely, 2^142272616450 is an apocalyptic number.

142272616450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142272616450 is a deficient number, since it is larger than the sum of its proper divisors (129506536562).

142272616450 is a wasteful number, since it uses less digits than its factorization.

142272616450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76904166 (or 76904161 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

Adding to 142272616450 its reverse (54616272241), we get a palindrome (196888888691).

The spelling of 142272616450 in words is "one hundred forty-two billion, two hundred seventy-two million, six hundred sixteen thousand, four hundred fifty".