332120145 has 32 divisors (see below), whose sum is σ = 617610240. Its totient is φ = 149250240.

The previous prime is 332120071. The next prime is 332120147. The reversal of 332120145 is 541021233.

It is not a de Polignac number, because 332120145 - 2¹⁸ = 331858001 is a prime.

It is a super-2 number, since 2×332120145² = 220607581429642050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (332120147) 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 31 ways as a sum of consecutive naturals, for example, 20611 + ... + 33000.

It is an arithmetic number, because the mean of its divisors is an integer number (19300320).

Almost surely, 2^332120145 is an apocalyptic number.

332120145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

332120145 is a deficient number, since it is larger than the sum of its proper divisors (285490095).

332120145 is a wasteful number, since it uses less digits than its factorization.

332120145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53685.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 332120145 is about 18224.1637668234. The cubic root of 332120145 is about 692.5190739662.

Adding to 332120145 its reverse (541021233), we get a palindrome (873141378).

The spelling of 332120145 in words is "three hundred thirty-two million, one hundred twenty thousand, one hundred forty-five".