145474441 has 8 divisors (see below), whose sum is σ = 167903424. Its totient is φ = 123457200.

The previous prime is 145474429. The next prime is 145474451. The reversal of 145474441 is 144474541.

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 145474441 - 2⁹ = 145473929 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 145474397 and 145474406.

It is not an unprimeable number, because it can be changed into a prime (145474421) 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 7 ways as a sum of consecutive naturals, for example, 102175 + ... + 103588.

It is an arithmetic number, because the mean of its divisors is an integer number (20987928).

Almost surely, 2^145474441 is an apocalyptic number.

It is an amenable number.

145474441 is a deficient number, since it is larger than the sum of its proper divisors (22428983).

145474441 is a wasteful number, since it uses less digits than its factorization.

145474441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205871.

The product of its digits is 35840, while the sum is 34.

The square root of 145474441 is about 12061.2785806481. The cubic root of 145474441 is about 525.9311559627.

The spelling of 145474441 in words is "one hundred forty-five million, four hundred seventy-four thousand, four hundred forty-one".