145244406 has 8 divisors (see below), whose sum is σ = 290488824. Its totient is φ = 48414800.

The previous prime is 145244401. The next prime is 145244443. The reversal of 145244406 is 604442541.

It is a happy number.

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

145244406 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145244401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12103695 + ... + 12103706.

It is an arithmetic number, because the mean of its divisors is an integer number (36311103).

Almost surely, 2^145244406 is an apocalyptic number.

145244406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

145244406 is a wasteful number, since it uses less digits than its factorization.

145244406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24207406.

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 145244406 is about 12051.7387127335. The cubic root of 145244406 is about 525.6537959041.

Adding to 145244406 its reverse (604442541), we get a palindrome (749686947).

The spelling of 145244406 in words is "one hundred forty-five million, two hundred forty-four thousand, four hundred six".