145002425 has 12 divisors (see below), whose sum is σ = 180750336. Its totient is φ = 115390800.

The previous prime is 145002421. The next prime is 145002439. The reversal of 145002425 is 524200541.

It is a happy number.

145002425 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 145002425 - 2² = 145002421 is a prime.

It is a super-3 number, since 3×145002425³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145002425.

It is not an unprimeable number, because it can be changed into a prime (145002421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10409 + ... + 19958.

It is an arithmetic number, because the mean of its divisors is an integer number (15062528).

Almost surely, 2^145002425 is an apocalyptic number.

It is an amenable number.

145002425 is a deficient number, since it is larger than the sum of its proper divisors (35747911).

145002425 is a wasteful number, since it uses less digits than its factorization.

145002425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30568 (or 30563 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 145002425 is about 12041.6952710156. The cubic root of 145002425 is about 525.3617159572.

Adding to 145002425 its reverse (524200541), we get a palindrome (669202966).

The spelling of 145002425 in words is "one hundred forty-five million, two thousand, four hundred twenty-five".