142132045 has 24 divisors (see below), whose sum is σ = 193961880. Its totient is φ = 99792000.

The previous prime is 142132043. The next prime is 142132057. The reversal of 142132045 is 540231241.

It can be written as a sum of positive squares in 4 ways, for example, as 61168041 + 80964004 = 7821^2 + 8998^2 .

It is not a de Polignac number, because 142132045 - 2¹ = 142132043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142132043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13495 + ... + 21595.

It is an arithmetic number, because the mean of its divisors is an integer number (8081745).

Almost surely, 2^142132045 is an apocalyptic number.

It is an amenable number.

142132045 is a deficient number, since it is larger than the sum of its proper divisors (51829835).

142132045 is a wasteful number, since it uses less digits than its factorization.

142132045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8157 (or 8146 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 142132045 is about 11921.9144855178. The cubic root of 142132045 is about 521.8720063653.

Adding to 142132045 its reverse (540231241), we get a palindrome (682363286).

The spelling of 142132045 in words is "one hundred forty-two million, one hundred thirty-two thousand, forty-five".