145003425 has 48 divisors (see below), whose sum is σ = 275696640. Its totient is φ = 65874240.

The previous prime is 145003381. The next prime is 145003427. The reversal of 145003425 is 524300541.

It is not a de Polignac number, because 145003425 - 2⁶ = 145003361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145003395 and 145003404.

It is not an unprimeable number, because it can be changed into a prime (145003427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 93204 + ... + 94746.

It is an arithmetic number, because the mean of its divisors is an integer number (5743680).

Almost surely, 2^145003425 is an apocalyptic number.

145003425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145003425 is a deficient number, since it is larger than the sum of its proper divisors (130693215).

145003425 is a wasteful number, since it uses less digits than its factorization.

145003425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1742 (or 1737 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 145003425 is about 12041.7367933367. The cubic root of 145003425 is about 525.3629236623.

Adding to 145003425 its reverse (524300541), we get a palindrome (669303966).

The spelling of 145003425 in words is "one hundred forty-five million, three thousand, four hundred twenty-five".