146797187 has 2 divisors, whose sum is σ = 146797188. Its totient is φ = 146797186.

The previous prime is 146797169. The next prime is 146797199. The reversal of 146797187 is 781797641.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146797187 is a prime.

It is a super-2 number, since 2×146797187² = 43098828222225938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (146797117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73398593 + 73398594.

It is an arithmetic number, because the mean of its divisors is an integer number (73398594).

Almost surely, 2^146797187 is an apocalyptic number.

146797187 is a deficient number, since it is larger than the sum of its proper divisors (1).

146797187 is an equidigital number, since it uses as much as digits as its factorization.

146797187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 592704, while the sum is 50.

The square root of 146797187 is about 12115.9888989715. The cubic root of 146797187 is about 527.5203822526.

The spelling of 146797187 in words is "one hundred forty-six million, seven hundred ninety-seven thousand, one hundred eighty-seven".