145343423 has 8 divisors (see below), whose sum is σ = 146288400. Its totient is φ = 144402048.

The previous prime is 145343381. The next prime is 145343441. The reversal of 145343423 is 324343541.

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 145343423 - 2¹⁰ = 145342399 is a prime.

It is a super-2 number, since 2×145343423² = 42249421218713858, 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 (145343123) 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, 143543 + ... + 144551.

It is an arithmetic number, because the mean of its divisors is an integer number (18286050).

Almost surely, 2^145343423 is an apocalyptic number.

145343423 is a deficient number, since it is larger than the sum of its proper divisors (944977).

145343423 is a wasteful number, since it uses less digits than its factorization.

145343423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1801.

The product of its digits is 17280, while the sum is 29.

The square root of 145343423 is about 12055.8460093019. The cubic root of 145343423 is about 525.7732195252.

Adding to 145343423 its reverse (324343541), we get a palindrome (469686964).

The spelling of 145343423 in words is "one hundred forty-five million, three hundred forty-three thousand, four hundred twenty-three".