146001188 has 6 divisors (see below), whose sum is σ = 255502086. Its totient is φ = 73000592.

The previous prime is 146001181. The next prime is 146001197. The reversal of 146001188 is 881100641.

It can be written as a sum of positive squares in only one way, i.e., 111049444 + 34951744 = 10538^2 + 5912^2 .

It is a super-2 number, since 2×146001188² = 42632693794822688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 146001188.

It is not an unprimeable number, because it can be changed into a prime (146001181) by changing a digit.

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 as a sum of consecutive naturals, namely, 18250145 + ... + 18250152.

It is an arithmetic number, because the mean of its divisors is an integer number (42583681).

Almost surely, 2^146001188 is an apocalyptic number.

It is an amenable number.

146001188 is a deficient number, since it is larger than the sum of its proper divisors (109500898).

146001188 is a wasteful number, since it uses less digits than its factorization.

146001188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36500301 (or 36500299 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 146001188 is about 12083.0951332844. The cubic root of 146001188 is about 526.5651710273.

The spelling of 146001188 in words is "one hundred forty-six million, one thousand, one hundred eighty-eight".