145104525 has 18 divisors (see below), whose sum is σ = 259898730. Its totient is φ = 77388960.

The previous prime is 145104523. The next prime is 145104559. The reversal of 145104525 is 525401541.

It can be written as a sum of positive squares in 3 ways, for example, as 50509449 + 94595076 = 7107^2 + 9726^2 .

It is not a de Polignac number, because 145104525 - 2¹ = 145104523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145104523) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 322230 + ... + 322679.

Almost surely, 2^145104525 is an apocalyptic number.

145104525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145104525 is a deficient number, since it is larger than the sum of its proper divisors (114794205).

145104525 is a wasteful number, since it uses less digits than its factorization.

145104525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644925 (or 644917 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 145104525 is about 12045.9339613000. The cubic root of 145104525 is about 525.4849940024.

The spelling of 145104525 in words is "one hundred forty-five million, one hundred four thousand, five hundred twenty-five".