145533442325 has 18 divisors (see below), whose sum is σ = 191701292646. Its totient is φ = 109578115840.

The previous prime is 145533442319. The next prime is 145533442331. The reversal of 145533442325 is 523244335541.

It is an interprime number because it is at equal distance from previous prime (145533442319) and next prime (145533442331).

It can be written as a sum of positive squares in 9 ways, for example, as 27587216836 + 117946225489 = 166094^2 + 343433^2 .

It is not a de Polignac number, because 145533442325 - 2⁴ = 145533442309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 10064294 + ... + 10078743.

Almost surely, 2^145533442325 is an apocalyptic number.

It is an amenable number.

145533442325 is a deficient number, since it is larger than the sum of its proper divisors (46167850321).

145533442325 is a wasteful number, since it uses less digits than its factorization.

145533442325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20143081 (or 20143059 counting only the distinct ones).

The product of its digits is 864000, while the sum is 41.

Adding to 145533442325 its reverse (523244335541), we get a palindrome (668777777866).

The spelling of 145533442325 in words is "one hundred forty-five billion, five hundred thirty-three million, four hundred forty-two thousand, three hundred twenty-five".