1144530145 has 16 divisors (see below), whose sum is σ = 1502844480. Its totient is φ = 829857600.

The previous prime is 1144530143. The next prime is 1144530173. The reversal of 1144530145 is 5410354411.

It is not a de Polignac number, because 1144530145 - 2¹ = 1144530143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1144530143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13230 + ... + 49639.

It is an arithmetic number, because the mean of its divisors is an integer number (93927780).

Almost surely, 2^1144530145 is an apocalyptic number.

It is an amenable number.

1144530145 is a deficient number, since it is larger than the sum of its proper divisors (358314335).

1144530145 is a wasteful number, since it uses less digits than its factorization.

1144530145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63216.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 1144530145 is about 33830.9051755935. The cubic root of 1144530145 is about 1046.0258372681.

Adding to 1144530145 its reverse (5410354411), we get a palindrome (6554884556).

The spelling of 1144530145 in words is "one billion, one hundred forty-four million, five hundred thirty thousand, one hundred forty-five".