303566142 has 64 divisors (see below), whose sum is σ = 689472000. Its totient is φ = 88260480.

The previous prime is 303566117. The next prime is 303566143. The reversal of 303566142 is 241665303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303566143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 380488 + ... + 381284.

It is an arithmetic number, because the mean of its divisors is an integer number (10773000).

Almost surely, 2^303566142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 303566142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344736000).

303566142 is an abundant number, since it is smaller than the sum of its proper divisors (385905858).

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

303566142 is a wasteful number, since it uses less digits than its factorization.

303566142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 303566142 is about 17423.1496004597. The cubic root of 303566142 is about 672.0750562779.

The spelling of 303566142 in words is "three hundred three million, five hundred sixty-six thousand, one hundred forty-two".