145412443 has 8 divisors (see below), whose sum is σ = 161625456. Its totient is φ = 129698400.

The previous prime is 145412429. The next prime is 145412447. The reversal of 145412443 is 344214541.

145412443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145412443 is a prime.

It is a super-2 number, since 2×145412443² = 42289557158456498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145412447) 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, 124128 + ... + 125293.

It is an arithmetic number, because the mean of its divisors is an integer number (20203182).

Almost surely, 2^145412443 is an apocalyptic number.

145412443 is a deficient number, since it is larger than the sum of its proper divisors (16213013).

145412443 is a wasteful number, since it uses less digits than its factorization.

145412443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249485.

The product of its digits is 7680, while the sum is 28.

The square root of 145412443 is about 12058.7081812274. The cubic root of 145412443 is about 525.8564319246.

Adding to 145412443 its reverse (344214541), we get a palindrome (489626984).

The spelling of 145412443 in words is "one hundred forty-five million, four hundred twelve thousand, four hundred forty-three".