145055433225 has 48 divisors (see below), whose sum is σ = 241647132800. Its totient is φ = 76777113600.

The previous prime is 145055433223. The next prime is 145055433227. The reversal of 145055433225 is 522334550541.

It is an interprime number because it is at equal distance from previous prime (145055433223) and next prime (145055433227).

It is not a de Polignac number, because 145055433225 - 2¹ = 145055433223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145055433221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5912985 + ... + 5937465.

Almost surely, 2^145055433225 is an apocalyptic number.

145055433225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145055433225 is a deficient number, since it is larger than the sum of its proper divisors (96591699575).

145055433225 is a wasteful number, since it uses less digits than its factorization.

145055433225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25090 (or 25085 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 39.

Adding to 145055433225 its reverse (522334550541), we get a palindrome (667389983766).

The spelling of 145055433225 in words is "one hundred forty-five billion, fifty-five million, four hundred thirty-three thousand, two hundred twenty-five".