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1442135 = 5288427
BaseRepresentation
bin101100000000101010111
32201021020102
411200011113
5332122020
650524315
715154322
oct5400527
92637212
101442135
118a5552
1259669b
133b6546
142977b9
151d7475
hex160157

1442135 has 4 divisors (see below), whose sum is σ = 1730568. Its totient is φ = 1153704.

The previous prime is 1442087. The next prime is 1442143. The reversal of 1442135 is 5312441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5312441 = 13938219.

It is a cyclic number.

It is not a de Polignac number, because 1442135 - 26 = 1442071 is a prime.

It is a Duffinian number.

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, 144209 + ... + 144218.

It is an arithmetic number, because the mean of its divisors is an integer number (432642).

21442135 is an apocalyptic number.

1442135 is a deficient number, since it is larger than the sum of its proper divisors (288433).

1442135 is an equidigital number, since it uses as much as digits as its factorization.

1442135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288432.

The product of its digits is 480, while the sum is 20.

The square root of 1442135 is about 1200.8892538448. The cubic root of 1442135 is about 112.9801045715.

Adding to 1442135 its reverse (5312441), we get a palindrome (6754576).

The spelling of 1442135 in words is "one million, four hundred forty-two thousand, one hundred thirty-five".

Divisors: 1 5 288427 1442135