145412444 has 12 divisors (see below), whose sum is σ = 262680768. Its totient is φ = 70360800.

The previous prime is 145412429. The next prime is 145412447. The reversal of 145412444 is 444214541.

It is a super-2 number, since 2×145412444² = 42289557740106272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145412447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586217 + ... + 586464.

It is an arithmetic number, because the mean of its divisors is an integer number (21890064).

Almost surely, 2^145412444 is an apocalyptic number.

It is an amenable number.

145412444 is a deficient number, since it is larger than the sum of its proper divisors (117268324).

145412444 is a wasteful number, since it uses less digits than its factorization.

145412444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172716 (or 1172714 counting only the distinct ones).

The product of its digits is 10240, while the sum is 29.

The square root of 145412444 is about 12058.7082226912. The cubic root of 145412444 is about 525.8564331301.

Adding to 145412444 its reverse (444214541), we get a palindrome (589626985).

The spelling of 145412444 in words is "one hundred forty-five million, four hundred twelve thousand, four hundred forty-four".