145043023 has 4 divisors (see below), whose sum is σ = 145779480. Its totient is φ = 144306568.

The previous prime is 145043021. The next prime is 145043029. The reversal of 145043023 is 320340541.

145043023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 145043023 - 2¹ = 145043021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145042985 and 145043003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145043021) 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, 367933 + ... + 368326.

It is an arithmetic number, because the mean of its divisors is an integer number (36444870).

Almost surely, 2^145043023 is an apocalyptic number.

145043023 is a deficient number, since it is larger than the sum of its proper divisors (736457).

145043023 is an equidigital number, since it uses as much as digits as its factorization.

145043023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736456.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 145043023 is about 12043.3808791385. The cubic root of 145043023 is about 525.4107419068.

Adding to 145043023 its reverse (320340541), we get a palindrome (465383564).

The spelling of 145043023 in words is "one hundred forty-five million, forty-three thousand, twenty-three".