146220893 has 32 divisors (see below), whose sum is σ = 196761600. Its totient is φ = 105338880.

The previous prime is 146220887. The next prime is 146220923. The reversal of 146220893 is 398022641.

It is a cyclic number.

It is not a de Polignac number, because 146220893 - 2¹⁰ = 146219869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146220793) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46433 + ... + 49481.

It is an arithmetic number, because the mean of its divisors is an integer number (6148800).

Almost surely, 2^146220893 is an apocalyptic number.

146220893 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

146220893 is a deficient number, since it is larger than the sum of its proper divisors (50540707).

146220893 is a wasteful number, since it uses less digits than its factorization.

146220893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3117.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 146220893 is about 12092.1831362248. The cubic root of 146220893 is about 526.8291666397.

The spelling of 146220893 in words is "one hundred forty-six million, two hundred twenty thousand, eight hundred ninety-three".