167146145 has 4 divisors (see below), whose sum is σ = 200575380. Its totient is φ = 133716912.

The previous prime is 167146139. The next prime is 167146151. The reversal of 167146145 is 541641761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 541641761 = 11503 ⋅47087.

It is an interprime number because it is at equal distance from previous prime (167146139) and next prime (167146151).

It can be written as a sum of positive squares in 2 ways, for example, as 35378704 + 131767441 = 5948^2 + 11479^2 .

It is a cyclic number.

It is not a de Polignac number, because 167146145 - 2⁶ = 167146081 is a prime.

It is a super-2 number, since 2×167146145² = 55875667576722050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16714610 + ... + 16714619.

It is an arithmetic number, because the mean of its divisors is an integer number (50143845).

Almost surely, 2^167146145 is an apocalyptic number.

It is an amenable number.

167146145 is a deficient number, since it is larger than the sum of its proper divisors (33429235).

167146145 is an equidigital number, since it uses as much as digits as its factorization.

167146145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33429234.

The product of its digits is 20160, while the sum is 35.

The square root of 167146145 is about 12928.5012665815. The cubic root of 167146145 is about 550.8484370735.

The spelling of 167146145 in words is "one hundred sixty-seven million, one hundred forty-six thousand, one hundred forty-five".