85429542 has 32 divisors (see below), whose sum is σ = 186831360. Its totient is φ = 25826720.

The previous prime is 85429541. The next prime is 85429579. The reversal of 85429542 is 24592458.

It is a self number, because there is not a number n which added to its sum of digits gives 85429542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85429541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32323 + ... + 34865.

It is an arithmetic number, because the mean of its divisors is an integer number (5838480).

Almost surely, 2^85429542 is an apocalyptic number.

85429542 is an abundant number, since it is smaller than the sum of its proper divisors (101401818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85429542 is a wasteful number, since it uses less digits than its factorization.

85429542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3068.

The product of its digits is 115200, while the sum is 39.

The square root of 85429542 is about 9242.8102869203. The cubic root of 85429542 is about 440.4223595954.

The spelling of 85429542 in words is "eighty-five million, four hundred twenty-nine thousand, five hundred forty-two".