146566487 has 2 divisors, whose sum is σ = 146566488. Its totient is φ = 146566486.

The previous prime is 146566457. The next prime is 146566547. The reversal of 146566487 is 784665641.

It is a weak prime.

It is an emirp because it is prime and its reverse (784665641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 146566487 - 2¹² = 146562391 is a prime.

It is a super-2 number, since 2×146566487² = 42963470223042338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146566457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73283243 + 73283244.

It is an arithmetic number, because the mean of its divisors is an integer number (73283244).

Almost surely, 2^146566487 is an apocalyptic number.

146566487 is a deficient number, since it is larger than the sum of its proper divisors (1).

146566487 is an equidigital number, since it uses as much as digits as its factorization.

146566487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 47.

The square root of 146566487 is about 12106.4646780140. The cubic root of 146566487 is about 527.2438947562.

The spelling of 146566487 in words is "one hundred forty-six million, five hundred sixty-six thousand, four hundred eighty-seven".