146331801 has 48 divisors (see below), whose sum is σ = 279047808. Its totient is φ = 71539200.

The previous prime is 146331769. The next prime is 146331817. The reversal of 146331801 is 108133641.

146331801 is a `hidden beast` number, since 14 + 633 + 18 + 0 + 1 = 666.

It is not a de Polignac number, because 146331801 - 2⁵ = 146331769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (146331841) 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 in 47 ways as a sum of consecutive naturals, for example, 5571 + ... + 17991.

It is an arithmetic number, because the mean of its divisors is an integer number (5813496).

Almost surely, 2^146331801 is an apocalyptic number.

146331801 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

146331801 is a deficient number, since it is larger than the sum of its proper divisors (132716007).

146331801 is a wasteful number, since it uses less digits than its factorization.

146331801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12462 (or 12459 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 146331801 is about 12096.7682047727. The cubic root of 146331801 is about 526.9623322938.

The spelling of 146331801 in words is "one hundred forty-six million, three hundred thirty-one thousand, eight hundred one".