145023015143 has 4 divisors (see below), whose sum is σ = 145291080408. Its totient is φ = 144754949880.

The previous prime is 145023015121. The next prime is 145023015199. The reversal of 145023015143 is 341510320541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145023015143 - 2¹⁶ = 145022949607 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 (145023015103) 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 3 ways as a sum of consecutive naturals, for example, 134031821 + ... + 134032902.

It is an arithmetic number, because the mean of its divisors is an integer number (36322770102).

Almost surely, 2^145023015143 is an apocalyptic number.

145023015143 is a deficient number, since it is larger than the sum of its proper divisors (268065265).

145023015143 is an equidigital number, since it uses as much as digits as its factorization.

145023015143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268065264.

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

Adding to 145023015143 its reverse (341510320541), we get a palindrome (486533335684).

The spelling of 145023015143 in words is "one hundred forty-five billion, twenty-three million, fifteen thousand, one hundred forty-three".