187042245 has 48 divisors (see below), whose sum is σ = 342464640. Its totient is φ = 86639616.

The previous prime is 187042223. The next prime is 187042253. The reversal of 187042245 is 542240781.

It is not a de Polignac number, because 187042245 - 2⁸ = 187041989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54696 + ... + 58014.

It is an arithmetic number, because the mean of its divisors is an integer number (7134680).

Almost surely, 2^187042245 is an apocalyptic number.

187042245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

187042245 is a deficient number, since it is larger than the sum of its proper divisors (155422395).

187042245 is a wasteful number, since it uses less digits than its factorization.

187042245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3374 (or 3357 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 187042245 is about 13676.3388741286. The cubic root of 187042245 is about 571.8909651251.

The spelling of 187042245 in words is "one hundred eighty-seven million, forty-two thousand, two hundred forty-five".