187445042 has 8 divisors (see below), whose sum is σ = 284555376. Its totient is φ = 92593252.

The previous prime is 187445039. The next prime is 187445053. The reversal of 187445042 is 240544781.

187445042 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 187444993 and 187445011.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 564428 + ... + 564759.

It is an arithmetic number, because the mean of its divisors is an integer number (35569422).

Almost surely, 2^187445042 is an apocalyptic number.

187445042 is a deficient number, since it is larger than the sum of its proper divisors (97110334).

187445042 is a wasteful number, since it uses less digits than its factorization.

187445042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129272.

The product of its (nonzero) digits is 35840, while the sum is 35.

The square root of 187445042 is about 13691.0570081349. The cubic root of 187445042 is about 572.3011947407.

The spelling of 187445042 in words is "one hundred eighty-seven million, four hundred forty-five thousand, forty-two".