25150145 has 16 divisors (see below), whose sum is σ = 31342080. Its totient is φ = 19353600.

The previous prime is 25150133. The next prime is 25150193. The reversal of 25150145 is 54105152.

It is a happy number.

It is not a de Polignac number, because 25150145 - 2⁸ = 25149889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25150145.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32321 + ... + 33089.

It is an arithmetic number, because the mean of its divisors is an integer number (1958880).

Almost surely, 2^25150145 is an apocalyptic number.

It is an amenable number.

25150145 is a deficient number, since it is larger than the sum of its proper divisors (6191935).

25150145 is a wasteful number, since it uses less digits than its factorization.

25150145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 25150145 is about 5014.9920239219. The cubic root of 25150145 is about 292.9859747040.

Adding to 25150145 its reverse (54105152), we get a palindrome (79255297).

The spelling of 25150145 in words is "twenty-five million, one hundred fifty thousand, one hundred forty-five".