145104425 has 12 divisors (see below), whose sum is σ = 189400080. Its totient is φ = 109973520.

The previous prime is 145104383. The next prime is 145104431. The reversal of 145104425 is 524401541.

It is not a de Polignac number, because 145104425 - 2¹⁸ = 144842281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145104394 and 145104403.

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, 152267 + ... + 153216.

It is an arithmetic number, because the mean of its divisors is an integer number (15783340).

Almost surely, 2^145104425 is an apocalyptic number.

It is an amenable number.

145104425 is a deficient number, since it is larger than the sum of its proper divisors (44295655).

145104425 is a wasteful number, since it uses less digits than its factorization.

145104425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305512 (or 305507 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 145104425 is about 12045.9298105211. The cubic root of 145104425 is about 525.4848732882.

Adding to 145104425 its reverse (524401541), we get a palindrome (669505966).

The spelling of 145104425 in words is "one hundred forty-five million, one hundred four thousand, four hundred twenty-five".