10142220545 has 8 divisors (see below), whose sum is σ = 12176752896. Its totient is φ = 8109717616.

The previous prime is 10142220533. The next prime is 10142220551. The reversal of 10142220545 is 54502224101.

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 10142220545 - 2⁸ = 10142220289 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496337 + ... + 516366.

It is an arithmetic number, because the mean of its divisors is an integer number (1522094112).

Almost surely, 2^10142220545 is an apocalyptic number.

It is an amenable number.

10142220545 is a deficient number, since it is larger than the sum of its proper divisors (2034532351).

10142220545 is a wasteful number, since it uses less digits than its factorization.

10142220545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014711.

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

Adding to 10142220545 its reverse (54502224101), we get a palindrome (64644444646).

The spelling of 10142220545 in words is "ten billion, one hundred forty-two million, two hundred twenty thousand, five hundred forty-five".