1445911149 has 16 divisors (see below), whose sum is σ = 2084721408. Its totient is φ = 887933952.

The previous prime is 1445911147. The next prime is 1445911199. The reversal of 1445911149 is 9411195441.

It is a happy number.

It is not a de Polignac number, because 1445911149 - 2¹ = 1445911147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445911141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299212 + ... + 304005.

It is an arithmetic number, because the mean of its divisors is an integer number (130295088).

Almost surely, 2^1445911149 is an apocalyptic number.

It is an amenable number.

1445911149 is a deficient number, since it is larger than the sum of its proper divisors (638810259).

1445911149 is a wasteful number, since it uses less digits than its factorization.

1445911149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603284.

The product of its digits is 25920, while the sum is 39.

The square root of 1445911149 is about 38025.1383823912. The cubic root of 1445911149 is about 1130.7862930075.

The spelling of 1445911149 in words is "one billion, four hundred forty-five million, nine hundred eleven thousand, one hundred forty-nine".