2500145042 has 8 divisors (see below), whose sum is σ = 3879535500. Its totient is φ = 1206966544.

The previous prime is 2500145033. The next prime is 2500145051. The reversal of 2500145042 is 2405410052.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2500145033) and next prime (2500145051).

It can be written as a sum of positive squares in 2 ways, for example, as 2134532401 + 365612641 = 46201^2 + 19121^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2500144999 and 2500145017.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21552917 + ... + 21553032.

Almost surely, 2^2500145042 is an apocalyptic number.

2500145042 is a deficient number, since it is larger than the sum of its proper divisors (1379390458).

2500145042 is a wasteful number, since it uses less digits than its factorization.

2500145042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43105980.

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

The square root of 2500145042 is about 50001.4503989634. The cubic root of 2500145042 is about 1357.2350547605.

Adding to 2500145042 its reverse (2405410052), we get a palindrome (4905555094).

The spelling of 2500145042 in words is "two billion, five hundred million, one hundred forty-five thousand, forty-two".