146067487 has 4 divisors (see below), whose sum is σ = 146198680. Its totient is φ = 145936296.

The previous prime is 146067473. The next prime is 146067557. The reversal of 146067487 is 784760641.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 146067487 - 2⁷ = 146067359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146064487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63912 + ... + 66157.

It is an arithmetic number, because the mean of its divisors is an integer number (36549670).

Almost surely, 2^146067487 is an apocalyptic number.

146067487 is a deficient number, since it is larger than the sum of its proper divisors (131193).

146067487 is a wasteful number, since it uses less digits than its factorization.

146067487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131192.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 146067487 is about 12085.8382828830. The cubic root of 146067487 is about 526.6448632128.

The spelling of 146067487 in words is "one hundred forty-six million, sixty-seven thousand, four hundred eighty-seven".