242147000 has 32 divisors (see below), whose sum is σ = 566626320. Its totient is φ = 96858400.

The previous prime is 242146987. The next prime is 242147011. The reversal of 242147000 is 741242.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120074 + ... + 122073.

Almost surely, 2^242147000 is an apocalyptic number.

242147000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242147000 is an abundant number, since it is smaller than the sum of its proper divisors (324479320).

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

242147000 is a wasteful number, since it uses less digits than its factorization.

242147000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242168 (or 242154 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 242147000 is about 15561.0732277693. The cubic root of 242147000 is about 623.2941215353.

Adding to 242147000 its reverse (741242), we get a palindrome (242888242).

The spelling of 242147000 in words is "two hundred forty-two million, one hundred forty-seven thousand".