145533216025 has 24 divisors (see below), whose sum is σ = 180982400760. Its totient is φ = 116090634240.

The previous prime is 145533216007. The next prime is 145533216029. The reversal of 145533216025 is 520612335541.

It can be written as a sum of positive squares in 12 ways, for example, as 60346870336 + 85186345689 = 245656^2 + 291867^2 .

It is not a de Polignac number, because 145533216025 - 2¹⁹ = 145532691737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145533216029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28239849 + ... + 28245001.

It is an arithmetic number, because the mean of its divisors is an integer number (7540933365).

Almost surely, 2^145533216025 is an apocalyptic number.

It is an amenable number.

145533216025 is a deficient number, since it is larger than the sum of its proper divisors (35449184735).

145533216025 is a wasteful number, since it uses less digits than its factorization.

145533216025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8205 (or 8200 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 145533216025 in words is "one hundred forty-five billion, five hundred thirty-three million, two hundred sixteen thousand, twenty-five".