187445061 has 12 divisors (see below), whose sum is σ = 273285792. Its totient is φ = 123794856.

The previous prime is 187445057. The next prime is 187445099. The reversal of 187445061 is 160544781.

It is a happy number.

187445061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 187445061 - 2² = 187445057 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (187345061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96361 + ... + 98286.

It is an arithmetic number, because the mean of its divisors is an integer number (22773816).

Almost surely, 2^187445061 is an apocalyptic number.

It is an amenable number.

187445061 is a deficient number, since it is larger than the sum of its proper divisors (85840731).

187445061 is a wasteful number, since it uses less digits than its factorization.

187445061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194760 (or 194757 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 187445061 is about 13691.0577020185. The cubic root of 187445061 is about 572.3012140774.

The spelling of 187445061 in words is "one hundred eighty-seven million, four hundred forty-five thousand, sixty-one".