1445061189 has 32 divisors (see below), whose sum is σ = 2271080448. Its totient is φ = 805752000.

The previous prime is 1445061173. The next prime is 1445061193. The reversal of 1445061189 is 9811605441.

It is not a de Polignac number, because 1445061189 - 2⁴ = 1445061173 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445011189) 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, 128004 + ... + 138834.

It is an arithmetic number, because the mean of its divisors is an integer number (70971264).

Almost surely, 2^1445061189 is an apocalyptic number.

It is an amenable number.

1445061189 is a deficient number, since it is larger than the sum of its proper divisors (826019259).

1445061189 is a wasteful number, since it uses less digits than its factorization.

1445061189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11169.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 1445061189 is about 38013.9604487615. The cubic root of 1445061189 is about 1130.5646769218.

The spelling of 1445061189 in words is "one billion, four hundred forty-five million, sixty-one thousand, one hundred eighty-nine".