1173167226145 has 8 divisors (see below), whose sum is σ = 1407816729000. Its totient is φ = 938523075840.

The previous prime is 1173167226137. The next prime is 1173167226181. The reversal of 1173167226145 is 5416227613711.

It can be written as a sum of positive squares in 4 ways, for example, as 218536615441 + 954630610704 = 467479^2 + 977052^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1173167226145 - 2³ = 1173167226137 is a prime.

It is a super-2 number, since 2×1173167226145² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1173167226095 and 1173167226104.

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, 839016 + ... + 1746505.

It is an arithmetic number, because the mean of its divisors is an integer number (175977091125).

Almost surely, 2^{1173167226145} is an apocalyptic number.

It is an amenable number.

1173167226145 is a deficient number, since it is larger than the sum of its proper divisors (234649502855).

1173167226145 is an equidigital number, since it uses as much as digits as its factorization.

1173167226145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2676275.

The product of its digits is 423360, while the sum is 46.

The spelling of 1173167226145 in words is "one trillion, one hundred seventy-three billion, one hundred sixty-seven million, two hundred twenty-six thousand, one hundred forty-five".