187058442 has 16 divisors (see below), whose sum is σ = 375767712. Its totient is φ = 62077680.

The previous prime is 187058419. The next prime is 187058447. The reversal of 187058442 is 244850781.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 187058442.

It is not an unprimeable number, because it can be changed into a prime (187058447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67309 + ... + 70032.

It is an arithmetic number, because the mean of its divisors is an integer number (23485482).

Almost surely, 2^187058442 is an apocalyptic number.

187058442 is an abundant number, since it is smaller than the sum of its proper divisors (188709270).

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

187058442 is a wasteful number, since it uses less digits than its factorization.

187058442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137573.

The product of its (nonzero) digits is 71680, while the sum is 39.

The square root of 187058442 is about 13676.9310153996. The cubic root of 187058442 is about 571.9074723596.

The spelling of 187058442 in words is "one hundred eighty-seven million, fifty-eight thousand, four hundred forty-two".