145435444 has 24 divisors (see below), whose sum is σ = 317314368. Its totient is φ = 56663040.

The previous prime is 145435439. The next prime is 145435453. The reversal of 145435444 is 444534541.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 235789 + ... + 236404.

It is an arithmetic number, because the mean of its divisors is an integer number (13221432).

Almost surely, 2^145435444 is an apocalyptic number.

145435444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

145435444 is an abundant number, since it is smaller than the sum of its proper divisors (171878924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145435444 is a wasteful number, since it uses less digits than its factorization.

145435444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472215 (or 472213 counting only the distinct ones).

The product of its digits is 76800, while the sum is 34.

The square root of 145435444 is about 12059.6618526392. The cubic root of 145435444 is about 525.8841567096.

Adding to 145435444 its reverse (444534541), we get a palindrome (589969985).

The spelling of 145435444 in words is "one hundred forty-five million, four hundred thirty-five thousand, four hundred forty-four".