145204653025 has 12 divisors (see below), whose sum is σ = 180846965232. Its totient is φ = 115651983440.

The previous prime is 145204653017. The next prime is 145204653037. The reversal of 145204653025 is 520356402541.

It is not a de Polignac number, because 145204653025 - 2³ = 145204653017 is a prime.

It is a super-2 number, since 2×145204653025² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12787687 + ... + 12799036.

It is an arithmetic number, because the mean of its divisors is an integer number (15070580436).

Almost surely, 2^145204653025 is an apocalyptic number.

It is an amenable number.

145204653025 is a deficient number, since it is larger than the sum of its proper divisors (35642312207).

145204653025 is a wasteful number, since it uses less digits than its factorization.

145204653025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25586960 (or 25586955 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 145204653025 in words is "one hundred forty-five billion, two hundred four million, six hundred fifty-three thousand, twenty-five".