167142449 has 16 divisors (see below), whose sum is σ = 186209280. Its totient is φ = 149299920.

The previous prime is 167142427. The next prime is 167142461. The reversal of 167142449 is 944241761.

167142449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 167142449 - 2⁸ = 167142193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (167102449) 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, 28334 + ... + 33720.

It is an arithmetic number, because the mean of its divisors is an integer number (11638080).

Almost surely, 2^167142449 is an apocalyptic number.

167142449 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

167142449 is a deficient number, since it is larger than the sum of its proper divisors (19066831).

167142449 is a wasteful number, since it uses less digits than its factorization.

167142449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5500.

The product of its digits is 48384, while the sum is 38.

The square root of 167142449 is about 12928.3583257891. The cubic root of 167142449 is about 550.8443768526.

The spelling of 167142449 in words is "one hundred sixty-seven million, one hundred forty-two thousand, four hundred forty-nine".