5155440142 has 16 divisors (see below), whose sum is σ = 8030262240. Its totient is φ = 2479362592.

The previous prime is 5155440139. The next prime is 5155440161. The reversal of 5155440142 is 2410445515.

It is a happy number.

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, 153733 + ... + 184240.

It is an arithmetic number, because the mean of its divisors is an integer number (501891390).

Almost surely, 2^5155440142 is an apocalyptic number.

5155440142 is a deficient number, since it is larger than the sum of its proper divisors (2874822098).

5155440142 is a wasteful number, since it uses less digits than its factorization.

5155440142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338267.

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 5155440142 is about 71801.3937329910. The cubic root of 5155440142 is about 1727.5153549038.

Adding to 5155440142 its reverse (2410445515), we get a palindrome (7565885657).

The spelling of 5155440142 in words is "five billion, one hundred fifty-five million, four hundred forty thousand, one hundred forty-two".