146056187 has 4 divisors (see below), whose sum is σ = 152406480. Its totient is φ = 139705896.

The previous prime is 146056153. The next prime is 146056193. The reversal of 146056187 is 781650641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 781650641 = 37 ⋅21125693.

It is a cyclic number.

It is not a de Polignac number, because 146056187 - 2⁶ = 146056123 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 146056187.

It is not an unprimeable number, because it can be changed into a prime (146056487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3175112 + ... + 3175157.

It is an arithmetic number, because the mean of its divisors is an integer number (38101620).

Almost surely, 2^146056187 is an apocalyptic number.

146056187 is a deficient number, since it is larger than the sum of its proper divisors (6350293).

146056187 is an equidigital number, since it uses as much as digits as its factorization.

146056187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6350292.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 146056187 is about 12085.3707845477. The cubic root of 146056187 is about 526.6312821836.

The spelling of 146056187 in words is "one hundred forty-six million, fifty-six thousand, one hundred eighty-seven".