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142214535 = 355671747
BaseRepresentation
bin10000111101000…
…00010110000111
3100220121020200000
420132200112013
5242401331120
622040052343
73344542431
oct1036402607
9326536600
10142214535
1173304981
123b7640b3
1323604318
1414c5d651
15c742990
hex87a0587

142214535 has 48 divisors (see below), whose sum is σ = 259598976. Its totient is φ = 74672928.

The previous prime is 142214509. The next prime is 142214539. The reversal of 142214535 is 535412241.

It is not a de Polignac number, because 142214535 - 27 = 142214407 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 142214499 and 142214508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142214539) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 80532 + ... + 82278.

It is an arithmetic number, because the mean of its divisors is an integer number (5408312).

Almost surely, 2142214535 is an apocalyptic number.

142214535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142214535 is a deficient number, since it is larger than the sum of its proper divisors (117384441).

142214535 is an equidigital number, since it uses as much as digits as its factorization.

142214535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1834 (or 1822 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 142214535 is about 11925.3735790540. The cubic root of 142214535 is about 521.9729474684.

Adding to 142214535 its reverse (535412241), we get a palindrome (677626776).

The spelling of 142214535 in words is "one hundred forty-two million, two hundred fourteen thousand, five hundred thirty-five".

Divisors: 1 3 5 9 15 27 45 67 81 135 201 243 335 405 603 1005 1215 1747 1809 3015 5241 5427 8735 9045 15723 16281 26205 27135 47169 78615 81405 117049 141507 235845 351147 424521 585245 707535 1053441 1755735 2122605 3160323 5267205 9480969 15801615 28442907 47404845 142214535