146001000 has 128 divisors (see below), whose sum is σ = 467026560. Its totient is φ = 37952000.

The previous prime is 146000983. The next prime is 146001017. The reversal of 146001000 is 100641.

It is an interprime number because it is at equal distance from previous prime (146000983) and next prime (146001017).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122407 + ... + 123593.

It is an arithmetic number, because the mean of its divisors is an integer number (3648645).

Almost surely, 2^146001000 is an apocalyptic number.

146001000 is a gapful number since it is divisible by the number (10) 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 146001000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233513280).

146001000 is an abundant number, since it is smaller than the sum of its proper divisors (321025560).

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

146001000 is a wasteful number, since it uses less digits than its factorization.

146001000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252 (or 1238 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 146001000 is about 12083.0873538181. The cubic root of 146001000 is about 526.5649450147.

Adding to 146001000 its reverse (100641), we get a palindrome (146101641).

The spelling of 146001000 in words is "one hundred forty-six million, one thousand".