281141442 has 80 divisors (see below), whose sum is σ = 667629600. Its totient is φ = 88179840.

The previous prime is 281141437. The next prime is 281141453. The reversal of 281141442 is 244141182.

281141442 is a `hidden beast` number, since 2 + 81 + 141 + 442 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 741609 + ... + 741987.

It is an arithmetic number, because the mean of its divisors is an integer number (8345370).

Almost surely, 2^281141442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 281141442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333814800).

281141442 is an abundant number, since it is smaller than the sum of its proper divisors (386488158).

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

281141442 is a wasteful number, since it uses less digits than its factorization.

281141442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653 (or 644 counting only the distinct ones).

The product of its digits is 2048, while the sum is 27.

The square root of 281141442 is about 16767.2729446383. The cubic root of 281141442 is about 655.1010406836.

It can be divided in two parts, 2811 and 41442, that added together give a triangular number (44253 = T₂₉₇).

The spelling of 281141442 in words is "two hundred eighty-one million, one hundred forty-one thousand, four hundred forty-two".