145142142043 has 4 divisors (see below), whose sum is σ = 145146864520. Its totient is φ = 145137419568.

The previous prime is 145142142031. The next prime is 145142142077. The reversal of 145142142043 is 340241241541.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340241241541 = 6229 ⋅54622129.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145142142043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145142141996 and 145142142014.

It is not an unprimeable number, because it can be changed into a prime (145142142083) 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, 2314833 + ... + 2376706.

It is an arithmetic number, because the mean of its divisors is an integer number (36286716130).

Almost surely, 2^145142142043 is an apocalyptic number.

145142142043 is a deficient number, since it is larger than the sum of its proper divisors (4722477).

145142142043 is an equidigital number, since it uses as much as digits as its factorization.

145142142043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4722476.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 145142142043 its reverse (340241241541), we get a palindrome (485383383584).

The spelling of 145142142043 in words is "one hundred forty-five billion, one hundred forty-two million, one hundred forty-two thousand, forty-three".