4155520142 has 16 divisors (see below), whose sum is σ = 6507388800. Its totient is φ = 1987705440.

The previous prime is 4155520121. The next prime is 4155520169. The reversal of 4155520142 is 2410255514.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322334 + ... + 334977.

It is an arithmetic number, because the mean of its divisors is an integer number (406711800).

Almost surely, 2^4155520142 is an apocalyptic number.

4155520142 is a deficient number, since it is larger than the sum of its proper divisors (2351868658).

4155520142 is a wasteful number, since it uses less digits than its factorization.

4155520142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657451.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 4155520142 is about 64463.3240067560. The cubic root of 4155520142 is about 1607.7127793950.

Adding to 4155520142 its reverse (2410255514), we get a palindrome (6565775656).

The spelling of 4155520142 in words is "four billion, one hundred fifty-five million, five hundred twenty thousand, one hundred forty-two".