2550142 has 16 divisors (see below), whose sum is σ = 4602240. Its totient is φ = 1035288.

The previous prime is 2550139. The next prime is 2550167. The reversal of 2550142 is 2410552.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4528 + ... + 5059.

It is an arithmetic number, because the mean of its divisors is an integer number (287640).

2^2550142 is an apocalyptic number.

2550142 is a deficient number, since it is larger than the sum of its proper divisors (2052098).

2550142 is a wasteful number, since it uses less digits than its factorization.

2550142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9615.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 2550142 is about 1596.9164035728. The cubic root of 2550142 is about 136.6222567054.

Adding to 2550142 its reverse (2410552), we get a palindrome (4960694).

The spelling of 2550142 in words is "two million, five hundred fifty thousand, one hundred forty-two".