1445244546 has 8 divisors (see below), whose sum is σ = 2890489104. Its totient is φ = 481748180.

The previous prime is 1445244509. The next prime is 1445244569. The reversal of 1445244546 is 6454425441.

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

1445244546 is an admirable number.

It is a super-2 number, since 2×1445244546² = 4177463595485492232, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 120437040 + ... + 120437051.

It is an arithmetic number, because the mean of its divisors is an integer number (361311138).

Almost surely, 2^1445244546 is an apocalyptic number.

1445244546 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.

1445244546 is a wasteful number, since it uses less digits than its factorization.

1445244546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240874096.

The product of its digits is 307200, while the sum is 39.

The square root of 1445244546 is about 38016.3720783559. The cubic root of 1445244546 is about 1130.6124922397.

Adding to 1445244546 its reverse (6454425441), we get a palindrome (7899669987).

The spelling of 1445244546 in words is "one billion, four hundred forty-five million, two hundred forty-four thousand, five hundred forty-six".