167142745 has 48 divisors (see below), whose sum is σ = 256483584. Its totient is φ = 102326400.

The previous prime is 167142743. The next prime is 167142803. The reversal of 167142745 is 547241761.

It is not a de Polignac number, because 167142745 - 2¹ = 167142743 is a prime.

It is a super-2 number, since 2×167142745² = 55873394412270050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (167142743) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 258012 + ... + 258658.

It is an arithmetic number, because the mean of its divisors is an integer number (5343408).

Almost surely, 2^167142745 is an apocalyptic number.

It is an amenable number.

167142745 is a deficient number, since it is larger than the sum of its proper divisors (89340839).

167142745 is a wasteful number, since it uses less digits than its factorization.

167142745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742 (or 731 counting only the distinct ones).

The product of its digits is 47040, while the sum is 37.

The square root of 167142745 is about 12928.3697734865. The cubic root of 167142745 is about 550.8447020240.

The spelling of 167142745 in words is "one hundred sixty-seven million, one hundred forty-two thousand, seven hundred forty-five".