1145054051167 has 16 divisors (see below), whose sum is σ = 1339909150720. Its totient is φ = 969041426400.

The previous prime is 1145054051159. The next prime is 1145054051173. The reversal of 1145054051167 is 7611504505411.

It is a cyclic number.

It is not a de Polignac number, because 1145054051167 - 2³ = 1145054051159 is a prime.

It is a super-4 number, since 4×1145054051167⁴ (a number of 49 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145054051117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74764059 + ... + 74779372.

It is an arithmetic number, because the mean of its divisors is an integer number (83744321920).

Almost surely, 2^{1145054051167} is an apocalyptic number.

1145054051167 is a deficient number, since it is larger than the sum of its proper divisors (194855099553).

1145054051167 is a wasteful number, since it uses less digits than its factorization.

1145054051167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149543494.

The product of its (nonzero) digits is 84000, while the sum is 40.

Adding to 1145054051167 its reverse (7611504505411), we get a palindrome (8756558556578).

The spelling of 1145054051167 in words is "one trillion, one hundred forty-five billion, fifty-four million, fifty-one thousand, one hundred sixty-seven".