45330001001521 has 2 divisors, whose sum is σ = 45330001001522. Its totient is φ = 45330001001520.

The previous prime is 45330001001507. The next prime is 45330001001557. The reversal of 45330001001521 is 12510010003354.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42590777397921 + 2739223603600 = 6526161^2 + 1655060^2 .

It is a cyclic number.

It is not a de Polignac number, because 45330001001521 - 2²¹ = 45329998904369 is a prime.

It is not a weakly prime, because it can be changed into another prime (45330001001321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22665000500760 + 22665000500761.

It is an arithmetic number, because the mean of its divisors is an integer number (22665000500761).

Almost surely, 2^{45330001001521} is an apocalyptic number.

It is an amenable number.

45330001001521 is a deficient number, since it is larger than the sum of its proper divisors (1).

45330001001521 is an equidigital number, since it uses as much as digits as its factorization.

45330001001521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 45330001001521 its reverse (12510010003354), we get a palindrome (57840011004875).

The spelling of 45330001001521 in words is "forty-five trillion, three hundred thirty billion, one million, one thousand, five hundred twenty-one".