5142540145 has 8 divisors (see below), whose sum is σ = 6245398656. Its totient is φ = 4064465136.

The previous prime is 5142540119. The next prime is 5142540149. The reversal of 5142540145 is 5410452415.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5142540145 - 2⁵ = 5142540113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5142540149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6195417 + ... + 6196246.

It is an arithmetic number, because the mean of its divisors is an integer number (780674832).

Almost surely, 2^5142540145 is an apocalyptic number.

It is an amenable number.

5142540145 is a deficient number, since it is larger than the sum of its proper divisors (1102858511).

5142540145 is a wasteful number, since it uses less digits than its factorization.

5142540145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12391751.

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 5142540145 is about 71711.5063640417. The cubic root of 5142540145 is about 1726.0732823636.

The spelling of 5142540145 in words is "five billion, one hundred forty-two million, five hundred forty thousand, one hundred forty-five".