146365890 has 32 divisors (see below), whose sum is σ = 383213376. Its totient is φ = 35482560.

The previous prime is 146365889. The next prime is 146365897. The reversal of 146365890 is 98563641.

146365890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (146365897) 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, 221437 + ... + 222096.

It is an arithmetic number, because the mean of its divisors is an integer number (11975418).

Almost surely, 2^146365890 is an apocalyptic number.

146365890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

146365890 is an abundant number, since it is smaller than the sum of its proper divisors (236847486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

146365890 is a wasteful number, since it uses less digits than its factorization.

146365890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443554.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 146365890 is about 12098.1771354200. The cubic root of 146365890 is about 527.0032489505.

The spelling of 146365890 in words is "one hundred forty-six million, three hundred sixty-five thousand, eight hundred ninety".