1445554245 has 16 divisors (see below), whose sum is σ = 2342165760. Its totient is φ = 761202624.

The previous prime is 1445554223. The next prime is 1445554247. The reversal of 1445554245 is 5424555441.

It is not a de Polignac number, because 1445554245 - 2¹⁵ = 1445521477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445554247) 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 15 ways as a sum of consecutive naturals, for example, 608754 + ... + 611123.

It is an arithmetic number, because the mean of its divisors is an integer number (146385360).

Almost surely, 2^1445554245 is an apocalyptic number.

1445554245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1445554245 is a deficient number, since it is larger than the sum of its proper divisors (896611515).

1445554245 is a wasteful number, since it uses less digits than its factorization.

1445554245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219964.

The product of its digits is 320000, while the sum is 39.

The square root of 1445554245 is about 38020.4450920817. The cubic root of 1445554245 is about 1130.6932454823.

The spelling of 1445554245 in words is "one billion, four hundred forty-five million, five hundred fifty-four thousand, two hundred forty-five".