146067621 has 16 divisors (see below), whose sum is σ = 235672704. Its totient is φ = 78557184.

The previous prime is 146067617. The next prime is 146067631. The reversal of 146067621 is 126760641.

It is not a de Polignac number, because 146067621 - 2² = 146067617 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146067631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204220 + ... + 204933.

It is an arithmetic number, because the mean of its divisors is an integer number (14729544).

Almost surely, 2^146067621 is an apocalyptic number.

It is an amenable number.

146067621 is a deficient number, since it is larger than the sum of its proper divisors (89605083).

146067621 is a wasteful number, since it uses less digits than its factorization.

146067621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409180.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 146067621 is about 12085.8438265601. The cubic root of 146067621 is about 526.6450242580.

The spelling of 146067621 in words is "one hundred forty-six million, sixty-seven thousand, six hundred twenty-one".