1144167530 has 128 divisors (see below), whose sum is σ = 2428600320. Its totient is φ = 387393600.

The previous prime is 1144167527. The next prime is 1144167547. The reversal of 1144167530 is 357614411.

It is a Curzon number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 19392641 + ... + 19392699.

It is an arithmetic number, because the mean of its divisors is an integer number (18973440).

Almost surely, 2^1144167530 is an apocalyptic number.

1144167530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1144167530 is an abundant number, since it is smaller than the sum of its proper divisors (1284432790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1144167530 is a wasteful number, since it uses less digits than its factorization.

1144167530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 1144167530 is about 33825.5455240562. The cubic root of 1144167530 is about 1045.9153567868.

The spelling of 1144167530 in words is "one billion, one hundred forty-four million, one hundred sixty-seven thousand, five hundred thirty".