142045000 has 40 divisors (see below), whose sum is σ = 332823150. Its totient is φ = 56816000.

The previous prime is 142044997. The next prime is 142045019. The reversal of 142045000 is 540241.

It can be written as a sum of positive squares in 5 ways, for example, as 4639716 + 137405284 = 2154^2 + 11722^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9205 + ... + 19204.

Almost surely, 2^142045000 is an apocalyptic number.

142045000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142045000 is an abundant number, since it is smaller than the sum of its proper divisors (190778150).

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

142045000 is an equidigital number, since it uses as much as digits as its factorization.

142045000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28435 (or 28416 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 142045000 is about 11918.2632963029. The cubic root of 142045000 is about 521.7654490548.

Adding to 142045000 its reverse (540241), we get a palindrome (142585241).

The spelling of 142045000 in words is "one hundred forty-two million, forty-five thousand".