331445045 has 8 divisors (see below), whose sum is σ = 397867680. Its totient is φ = 265066960.

The previous prime is 331445033. The next prime is 331445057. The reversal of 331445045 is 540544133.

It is an interprime number because it is at equal distance from previous prime (331445033) and next prime (331445057).

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

It is a de Polignac number, because none of the positive numbers 2^k-331445045 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 331444999 and 331445017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8330 + ... + 27060.

It is an arithmetic number, because the mean of its divisors is an integer number (49733460).

Almost surely, 2^331445045 is an apocalyptic number.

It is an amenable number.

331445045 is a deficient number, since it is larger than the sum of its proper divisors (66422635).

331445045 is a wasteful number, since it uses less digits than its factorization.

331445045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22275.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 331445045 is about 18205.6322329108. The cubic root of 331445045 is about 692.0495282637.

Adding to 331445045 its reverse (540544133), we get a palindrome (871989178).

The spelling of 331445045 in words is "three hundred thirty-one million, four hundred forty-five thousand, forty-five".