142545503 has 4 divisors (see below), whose sum is σ = 142697928. Its totient is φ = 142393080.

The previous prime is 142545449. The next prime is 142545523. The reversal of 142545503 is 305545241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142545503 - 2¹⁴ = 142529119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142545523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74801 + ... + 76682.

It is an arithmetic number, because the mean of its divisors is an integer number (35674482).

Almost surely, 2^142545503 is an apocalyptic number.

142545503 is a deficient number, since it is larger than the sum of its proper divisors (152425).

142545503 is an equidigital number, since it uses as much as digits as its factorization.

142545503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152424.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 142545503 is about 11939.2421451280. The cubic root of 142545503 is about 522.3775533222.

The spelling of 142545503 in words is "one hundred forty-two million, five hundred forty-five thousand, five hundred three".