146331845 has 8 divisors (see below), whose sum is σ = 191561760. Its totient is φ = 106423120.

The previous prime is 146331841. The next prime is 146331851. The reversal of 146331845 is 548133641.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 146331845 - 2² = 146331841 is a prime.

It is a super-2 number, since 2×146331845² = 42826017722208050, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1330235 + ... + 1330344.

It is an arithmetic number, because the mean of its divisors is an integer number (23945220).

Almost surely, 2^146331845 is an apocalyptic number.

It is an amenable number.

146331845 is a deficient number, since it is larger than the sum of its proper divisors (45229915).

146331845 is a wasteful number, since it uses less digits than its factorization.

146331845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2660595.

The product of its digits is 34560, while the sum is 35.

The square root of 146331845 is about 12096.7700234401. The cubic root of 146331845 is about 526.9623851106.

The spelling of 146331845 in words is "one hundred forty-six million, three hundred thirty-one thousand, eight hundred forty-five".