103142453501 has 4 divisors (see below), whose sum is σ = 103399667004. Its totient is φ = 102885240000.

The previous prime is 103142453497. The next prime is 103142453503. The reversal of 103142453501 is 105354241301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 105354241301 = 23 ⋅4580619187.

It can be written as a sum of positive squares in 2 ways, for example, as 76792723225 + 26349730276 = 277115^2 + 162326^2 .

It is a cyclic number.

It is not a de Polignac number, because 103142453501 - 2² = 103142453497 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 (103142453503) 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, 128606150 + ... + 128606951.

It is an arithmetic number, because the mean of its divisors is an integer number (25849916751).

Almost surely, 2^103142453501 is an apocalyptic number.

It is an amenable number.

103142453501 is a deficient number, since it is larger than the sum of its proper divisors (257213503).

103142453501 is an equidigital number, since it uses as much as digits as its factorization.

103142453501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257213502.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 103142453501 its reverse (105354241301), we get a palindrome (208496694802).

The spelling of 103142453501 in words is "one hundred three billion, one hundred forty-two million, four hundred fifty-three thousand, five hundred one".