145878185143 has 4 divisors (see below), whose sum is σ = 146043768528. Its totient is φ = 145712601760.

The previous prime is 145878185137. The next prime is 145878185153. The reversal of 145878185143 is 341581878541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341581878541 = 863 ⋅395807507.

It is a cyclic number.

It is not a de Polignac number, because 145878185143 - 2²⁹ = 145341314231 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 (145878185113) 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, 82790371 + ... + 82792132.

It is an arithmetic number, because the mean of its divisors is an integer number (36510942132).

Almost surely, 2^145878185143 is an apocalyptic number.

145878185143 is a deficient number, since it is larger than the sum of its proper divisors (165583385).

145878185143 is an equidigital number, since it uses as much as digits as its factorization.

145878185143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165583384.

The product of its digits is 4300800, while the sum is 55.

The spelling of 145878185143 in words is "one hundred forty-five billion, eight hundred seventy-eight million, one hundred eighty-five thousand, one hundred forty-three".