145234443 has 8 divisors (see below), whose sum is σ = 202065408. Its totient is φ = 92613224.

The previous prime is 145234409. The next prime is 145234447. The reversal of 145234443 is 344432541.

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 145234443 - 2¹³ = 145226251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145234443.

It is not an unprimeable number, because it can be changed into a prime (145234447) 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, 1052355 + ... + 1052492.

It is an arithmetic number, because the mean of its divisors is an integer number (25258176).

Almost surely, 2^145234443 is an apocalyptic number.

145234443 is a deficient number, since it is larger than the sum of its proper divisors (56830965).

145234443 is a wasteful number, since it uses less digits than its factorization.

145234443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2104873.

The product of its digits is 23040, while the sum is 30.

The square root of 145234443 is about 12051.3253627972. The cubic root of 145234443 is about 525.6417766036.

Adding to 145234443 its reverse (344432541), we get a palindrome (489666984).

The spelling of 145234443 in words is "one hundred forty-five million, two hundred thirty-four thousand, four hundred forty-three".