1144173930 has 16 divisors (see below), whose sum is σ = 2746017504. Its totient is φ = 305113040.

The previous prime is 1144173883. The next prime is 1144173949. The reversal of 1144173930 is 393714411.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1144173891 and 1144173900.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19069536 + ... + 19069595.

It is an arithmetic number, because the mean of its divisors is an integer number (171626094).

Almost surely, 2^1144173930 is an apocalyptic number.

1144173930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1144173930 is an abundant number, since it is smaller than the sum of its proper divisors (1601843574).

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

1144173930 is a wasteful number, since it uses less digits than its factorization.

1144173930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38139141.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 1144173930 is about 33825.6401269806. The cubic root of 1144173930 is about 1045.9173069225.

The spelling of 1144173930 in words is "one billion, one hundred forty-four million, one hundred seventy-three thousand, nine hundred thirty".