1144172078 has 16 divisors (see below), whose sum is σ = 1976413824. Its totient is φ = 486615480.

The previous prime is 1144172069. The next prime is 1144172093. The reversal of 1144172078 is 8702714411.

It is a congruent number.

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, 310100 + ... + 313767.

It is an arithmetic number, because the mean of its divisors is an integer number (123525864).

Almost surely, 2^1144172078 is an apocalyptic number.

1144172078 is a deficient number, since it is larger than the sum of its proper divisors (832241746).

1144172078 is a wasteful number, since it uses less digits than its factorization.

1144172078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624007.

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 1144172078 is about 33825.6127512866. The cubic root of 1144172078 is about 1045.9167426027.

Adding to 1144172078 its reverse (8702714411), we get a palindrome (9846886489).

The spelling of 1144172078 in words is "one billion, one hundred forty-four million, one hundred seventy-two thousand, seventy-eight".