145154523403225 has 48 divisors (see below), whose sum is σ = 208062236307456. Its totient is φ = 98399363328000.

The previous prime is 145154523403217. The next prime is 145154523403291. The reversal of 145154523403225 is 522304325451541.

It is not a de Polignac number, because 145154523403225 - 2³ = 145154523403217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5376016 + ... + 17866465.

It is an arithmetic number, because the mean of its divisors is an integer number (4334629923072).

Almost surely, 2^{145154523403225} is an apocalyptic number.

It is an amenable number.

145154523403225 is a deficient number, since it is larger than the sum of its proper divisors (62907712904231).

145154523403225 is a wasteful number, since it uses less digits than its factorization.

145154523403225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23242906 (or 23242901 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 46.

Adding to 145154523403225 its reverse (522304325451541), we get a palindrome (667458848854766).

The spelling of 145154523403225 in words is "one hundred forty-five trillion, one hundred fifty-four billion, five hundred twenty-three million, four hundred three thousand, two hundred twenty-five".