142504145 has 16 divisors (see below), whose sum is σ = 196466688. Its totient is φ = 97200960.

The previous prime is 142504139. The next prime is 142504147. The reversal of 142504145 is 541405241.

142504145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142504145 - 2⁴ = 142504129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142504147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3974 + ... + 17343.

It is an arithmetic number, because the mean of its divisors is an integer number (12279168).

Almost surely, 2^142504145 is an apocalyptic number.

It is an amenable number.

142504145 is a deficient number, since it is larger than the sum of its proper divisors (53962543).

142504145 is a wasteful number, since it uses less digits than its factorization.

142504145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21520.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 142504145 is about 11937.5099999958. The cubic root of 142504145 is about 522.3270277469.

Adding to 142504145 its reverse (541405241), we get a palindrome (683909386).

The spelling of 142504145 in words is "one hundred forty-two million, five hundred four thousand, one hundred forty-five".