145133025 has 24 divisors (see below), whose sum is σ = 240326880. Its totient is φ = 77283840.

The previous prime is 145133011. The next prime is 145133117. The reversal of 145133025 is 520331541.

It is not a de Polignac number, because 145133025 - 2⁸ = 145132769 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145132986 and 145133004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68634 + ... + 70716.

It is an arithmetic number, because the mean of its divisors is an integer number (10013620).

Almost surely, 2^145133025 is an apocalyptic number.

145133025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145133025 is a deficient number, since it is larger than the sum of its proper divisors (95193855).

145133025 is a wasteful number, since it uses less digits than its factorization.

145133025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3025 (or 3020 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 145133025 is about 12047.1168750037. The cubic root of 145133025 is about 525.5193952772.

Adding to 145133025 its reverse (520331541), we get a palindrome (665464566).

The spelling of 145133025 in words is "one hundred forty-five million, one hundred thirty-three thousand, twenty-five".