1555014142 has 8 divisors (see below), whose sum is σ = 2544568632. Its totient is φ = 706824600.

The previous prime is 1555014137. The next prime is 1555014151. The reversal of 1555014142 is 2414105551.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1555014142.

It is a congruent number.

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, 35341209 + ... + 35341252.

It is an arithmetic number, because the mean of its divisors is an integer number (318071079).

Almost surely, 2^1555014142 is an apocalyptic number.

1555014142 is a deficient number, since it is larger than the sum of its proper divisors (989554490).

1555014142 is a wasteful number, since it uses less digits than its factorization.

1555014142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70682474.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 1555014142 is about 39433.6676204484. The cubic root of 1555014142 is about 1158.5411064149.

Adding to 1555014142 its reverse (2414105551), we get a palindrome (3969119693).

It can be divided in two parts, 15550 and 14142, that added together give a palindrome (29692).

The spelling of 1555014142 in words is "one billion, five hundred fifty-five million, fourteen thousand, one hundred forty-two".