145411443 has 36 divisors (see below), whose sum is σ = 224374800. Its totient is φ = 94163472.

The previous prime is 145411403. The next prime is 145411457. The reversal of 145411443 is 344114541.

It is not a de Polignac number, because 145411443 - 2²¹ = 143314291 is a prime.

It is a super-2 number, since 2×145411443² = 42288975510684498, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (145411403) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 242458 + ... + 243056.

Almost surely, 2^145411443 is an apocalyptic number.

145411443 is a deficient number, since it is larger than the sum of its proper divisors (78963357).

145411443 is an frugal number, since it uses more digits than its factorization.

145411443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660 (or 639 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 145411443 is about 12058.6667173448. Note that the first 3 decimals coincide. The cubic root of 145411443 is about 525.8552264853.

Adding to 145411443 its reverse (344114541), we get a palindrome (489525984).

The spelling of 145411443 in words is "one hundred forty-five million, four hundred eleven thousand, four hundred forty-three".