187945045 has 16 divisors (see below), whose sum is σ = 232575552. Its totient is φ = 145716480.

The previous prime is 187945007. The next prime is 187945063. The reversal of 187945045 is 540549781.

187945045 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 187945045 - 2⁷ = 187944917 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 187944992 and 187945010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24829 + ... + 31501.

It is an arithmetic number, because the mean of its divisors is an integer number (14535972).

Almost surely, 2^187945045 is an apocalyptic number.

It is an amenable number.

187945045 is a deficient number, since it is larger than the sum of its proper divisors (44630507).

187945045 is a wasteful number, since it uses less digits than its factorization.

187945045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6852.

The product of its (nonzero) digits is 201600, while the sum is 43.

The square root of 187945045 is about 13709.3050516793. The cubic root of 187945045 is about 572.8096073291.

The spelling of 187945045 in words is "one hundred eighty-seven million, nine hundred forty-five thousand, forty-five".