1445054420 has 48 divisors (see below), whose sum is σ = 3078768000. Its totient is φ = 569669760.

The previous prime is 1445054399. The next prime is 1445054449. The reversal of 1445054420 is 244505441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 432155 + ... + 435485.

It is an arithmetic number, because the mean of its divisors is an integer number (64141000).

Almost surely, 2^1445054420 is an apocalyptic number.

1445054420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1445054420 is an abundant number, since it is smaller than the sum of its proper divisors (1633713580).

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

1445054420 is a wasteful number, since it uses less digits than its factorization.

1445054420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3648 (or 3646 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 1445054420 is about 38013.8714155767. The cubic root of 1445054420 is about 1130.5629116438.

Adding to 1445054420 its reverse (244505441), we get a palindrome (1689559861).

The spelling of 1445054420 in words is "one billion, four hundred forty-five million, fifty-four thousand, four hundred twenty".