1445242245 has 32 divisors (see below), whose sum is σ = 2365009920. Its totient is φ = 753303360.

The previous prime is 1445242243. The next prime is 1445242307. The reversal of 1445242245 is 5422425441.

It is not a de Polignac number, because 1445242245 - 2¹ = 1445242243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445242243) 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 31 ways as a sum of consecutive naturals, for example, 768216 + ... + 770094.

It is an arithmetic number, because the mean of its divisors is an integer number (73906560).

Almost surely, 2^1445242245 is an apocalyptic number.

1445242245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1445242245 is a deficient number, since it is larger than the sum of its proper divisors (919767675).

1445242245 is a wasteful number, since it uses less digits than its factorization.

1445242245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3025.

The product of its digits is 51200, while the sum is 33.

The square root of 1445242245 is about 38016.3418150668. The cubic root of 1445242245 is about 1130.6118922165.

Adding to 1445242245 its reverse (5422425441), we get a palindrome (6867667686).

The spelling of 1445242245 in words is "one billion, four hundred forty-five million, two hundred forty-two thousand, two hundred forty-five".