142045320 has 64 divisors (see below), whose sum is σ = 436544640. Its totient is φ = 36953600.

The previous prime is 142045313. The next prime is 142045339. The reversal of 142045320 is 23540241.

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, 9516 + ... + 19355.

It is an arithmetic number, because the mean of its divisors is an integer number (6821010).

Almost surely, 2^142045320 is an apocalyptic number.

142045320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142045320 is an abundant number, since it is smaller than the sum of its proper divisors (294499320).

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

142045320 is a wasteful number, since it uses less digits than its factorization.

142045320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28926 (or 28922 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 142045320 is about 11918.2767210700. The cubic root of 142045320 is about 521.7658408668.

Adding to 142045320 its reverse (23540241), we get a palindrome (165585561).

The spelling of 142045320 in words is "one hundred forty-two million, forty-five thousand, three hundred twenty".