145533453225 has 24 divisors (see below), whose sum is σ = 240989596512. Its totient is φ = 77497104000.

The previous prime is 145533453223. The next prime is 145533453251. The reversal of 145533453225 is 522354335541.

It is not a de Polignac number, because 145533453225 - 2¹ = 145533453223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145533453223) 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, 1460676 + ... + 1557125.

It is an arithmetic number, because the mean of its divisors is an integer number (10041233188).

Almost surely, 2^145533453225 is an apocalyptic number.

145533453225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145533453225 is a deficient number, since it is larger than the sum of its proper divisors (95456143287).

145533453225 is a wasteful number, since it uses less digits than its factorization.

145533453225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3018457 (or 3018452 counting only the distinct ones).

The product of its digits is 1080000, while the sum is 42.

Adding to 145533453225 its reverse (522354335541), we get a palindrome (667887788766).

The spelling of 145533453225 in words is "one hundred forty-five billion, five hundred thirty-three million, four hundred fifty-three thousand, two hundred twenty-five".