146021884 has 6 divisors (see below), whose sum is σ = 255538304. Its totient is φ = 73010940.

The previous prime is 146021881. The next prime is 146021899. The reversal of 146021884 is 488120641.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146021881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18252732 + ... + 18252739.

Almost surely, 2^146021884 is an apocalyptic number.

It is an amenable number.

146021884 is a deficient number, since it is larger than the sum of its proper divisors (109516420).

146021884 is a wasteful number, since it uses less digits than its factorization.

146021884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36505475 (or 36505473 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 146021884 is about 12083.9515060265. The cubic root of 146021884 is about 526.5900504547.

The spelling of 146021884 in words is "one hundred forty-six million, twenty-one thousand, eight hundred eighty-four".