145141223 has 8 divisors (see below), whose sum is σ = 153793728. Its totient is φ = 136501504.

The previous prime is 145141207. The next prime is 145141261. The reversal of 145141223 is 322141541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145141223 - 2⁴ = 145141207 is a prime.

It is a super-2 number, since 2×145141223² = 42131949227871458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145141273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30290 + ... + 34752.

It is an arithmetic number, because the mean of its divisors is an integer number (19224216).

Almost surely, 2^145141223 is an apocalyptic number.

145141223 is a deficient number, since it is larger than the sum of its proper divisors (8652505).

145141223 is a wasteful number, since it uses less digits than its factorization.

145141223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6393.

The product of its digits is 960, while the sum is 23.

The square root of 145141223 is about 12047.4571175829. The cubic root of 145141223 is about 525.5292899397.

Adding to 145141223 its reverse (322141541), we get a palindrome (467282764).

The spelling of 145141223 in words is "one hundred forty-five million, one hundred forty-one thousand, two hundred twenty-three".