167542042 has 16 divisors (see below), whose sum is σ = 259840512. Its totient is φ = 80937360.

The previous prime is 167542033. The next prime is 167542043. The reversal of 167542042 is 240245761.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 167541995 and 167542013.

It is not an unprimeable number, because it can be changed into a prime (167542043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44248 + ... + 47884.

It is an arithmetic number, because the mean of its divisors is an integer number (16240032).

Almost surely, 2^167542042 is an apocalyptic number.

167542042 is a deficient number, since it is larger than the sum of its proper divisors (92298470).

167542042 is a wasteful number, since it uses less digits than its factorization.

167542042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4413.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 167542042 is about 12943.8032277998. The cubic root of 167542042 is about 551.2830014711.

The spelling of 167542042 in words is "one hundred sixty-seven million, five hundred forty-two thousand, forty-two".