145555510225 has 24 divisors (see below), whose sum is σ = 187755840000. Its totient is φ = 111800888640.

The previous prime is 145555510211. The next prime is 145555510253. The reversal of 145555510225 is 522015555541.

It is a happy number.

145555510225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145555510225 - 2¹⁷ = 145555379153 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 431025 + ... + 690574.

It is an arithmetic number, because the mean of its divisors is an integer number (7823160000).

Almost surely, 2^145555510225 is an apocalyptic number.

It is an amenable number.

145555510225 is a deficient number, since it is larger than the sum of its proper divisors (42200329775).

145555510225 is a wasteful number, since it uses less digits than its factorization.

145555510225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121817 (or 1121812 counting only the distinct ones).

The product of its (nonzero) digits is 250000, while the sum is 40.

The spelling of 145555510225 in words is "one hundred forty-five billion, five hundred fifty-five million, five hundred ten thousand, two hundred twenty-five".