351200142 has 48 divisors (see below), whose sum is σ = 804495120. Its totient is φ = 110419200.

The previous prime is 351200111. The next prime is 351200149. The reversal of 351200142 is 241002153.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351200149) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 80292 + ... + 84552.

It is an arithmetic number, because the mean of its divisors is an integer number (16760315).

Almost surely, 2^351200142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 351200142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (402247560).

351200142 is an abundant number, since it is smaller than the sum of its proper divisors (453294978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

351200142 is a wasteful number, since it uses less digits than its factorization.

351200142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4529 (or 4526 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 351200142 is about 18740.3346288160. The cubic root of 351200142 is about 705.5344551507.

Adding to 351200142 its reverse (241002153), we get a palindrome (592202295).

The spelling of 351200142 in words is "three hundred fifty-one million, two hundred thousand, one hundred forty-two".