146261864 has 48 divisors (see below), whose sum is σ = 323121600. Its totient is φ = 61877088.

The previous prime is 146261839. The next prime is 146261881. The reversal of 146261864 is 468162641.

146261864 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28607 + ... + 33329.

It is an arithmetic number, because the mean of its divisors is an integer number (6731700).

Almost surely, 2^146261864 is an apocalyptic number.

146261864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 146261864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161560800).

146261864 is an abundant number, since it is smaller than the sum of its proper divisors (176859736).

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

146261864 is a wasteful number, since it uses less digits than its factorization.

146261864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4822 (or 4811 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 146261864 is about 12093.8771285308. The cubic root of 146261864 is about 526.8783677756.

The spelling of 146261864 in words is "one hundred forty-six million, two hundred sixty-one thousand, eight hundred sixty-four".