332145561 has 16 divisors (see below), whose sum is σ = 483994368. Its totient is φ = 200936400.

The previous prime is 332145523. The next prime is 332145577. The reversal of 332145561 is 165541233.

It is not a de Polignac number, because 332145561 - 2¹³ = 332137369 is a prime.

It is a super-2 number, since 2×332145561² = 220641347384009442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (332145581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10030 + ... + 27656.

It is an arithmetic number, because the mean of its divisors is an integer number (30249648).

Almost surely, 2^332145561 is an apocalyptic number.

It is an amenable number.

332145561 is a deficient number, since it is larger than the sum of its proper divisors (151848807).

332145561 is a wasteful number, since it uses less digits than its factorization.

332145561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18212.

The product of its digits is 10800, while the sum is 30.

The square root of 332145561 is about 18224.8610694293. The cubic root of 332145561 is about 692.5367388746.

Adding to 332145561 its reverse (165541233), we get a palindrome (497686794).

The spelling of 332145561 in words is "three hundred thirty-two million, one hundred forty-five thousand, five hundred sixty-one".