1144361545 has 16 divisors (see below), whose sum is σ = 1530541440. Its totient is φ = 816286464.

The previous prime is 1144361521. The next prime is 1144361557. The reversal of 1144361545 is 5451634411.

It is a cyclic number.

It is not a de Polignac number, because 1144361545 - 2¹⁹ = 1143837257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1144361545.

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, 352677 + ... + 355906.

It is an arithmetic number, because the mean of its divisors is an integer number (95658840).

Almost surely, 2^1144361545 is an apocalyptic number.

It is an amenable number.

1144361545 is a deficient number, since it is larger than the sum of its proper divisors (386179895).

1144361545 is a wasteful number, since it uses less digits than its factorization.

1144361545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708624.

The product of its digits is 28800, while the sum is 34.

The square root of 1144361545 is about 33828.4132793721. The cubic root of 1144361545 is about 1045.9744716145.

Adding to 1144361545 its reverse (5451634411), we get a palindrome (6595995956).

The spelling of 1144361545 in words is "one billion, one hundred forty-four million, three hundred sixty-one thousand, five hundred forty-five".