145223043 has 16 divisors (see below), whose sum is σ = 222445056. Its totient is φ = 82552320.

The previous prime is 145223041. The next prime is 145223047. The reversal of 145223043 is 340322541.

It is not a de Polignac number, because 145223043 - 2¹ = 145223041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145223041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13863 + ... + 21968.

It is an arithmetic number, because the mean of its divisors is an integer number (13902816).

Almost surely, 2^145223043 is an apocalyptic number.

145223043 is a deficient number, since it is larger than the sum of its proper divisors (77222013).

145223043 is a wasteful number, since it uses less digits than its factorization.

145223043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36034.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 145223043 is about 12050.8523764919. The cubic root of 145223043 is about 525.6280230409.

Adding to 145223043 its reverse (340322541), we get a palindrome (485545584).

The spelling of 145223043 in words is "one hundred forty-five million, two hundred twenty-three thousand, forty-three".