Search a number
-
+
142454404343 = 3171571286049
BaseRepresentation
bin1000010010101011110…
…0011011010011110111
3111121200220002112112202
42010222330123103313
54313221311414333
6145235340135115
713202103313046
oct2045274332367
9447626075482
10142454404343
1155461885489
122373783749b
1310583218964
146c755b055d
153a8b4425e8
hex212af1b4f7

142454404343 has 8 divisors (see below), whose sum is σ = 142995250800. Its totient is φ = 141914133760.

The previous prime is 142454404277. The next prime is 142454404357. The reversal of 142454404343 is 343404454241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142454404343 - 28 = 142454404087 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142454404297 and 142454404306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142454404643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354983 + ... + 641031.

It is an arithmetic number, because the mean of its divisors is an integer number (17874406350).

Almost surely, 2142454404343 is an apocalyptic number.

142454404343 is a deficient number, since it is larger than the sum of its proper divisors (540846457).

142454404343 is a wasteful number, since it uses less digits than its factorization.

142454404343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287937.

The product of its (nonzero) digits is 368640, while the sum is 38.

Adding to 142454404343 its reverse (343404454241), we get a palindrome (485858858584).

The spelling of 142454404343 in words is "one hundred forty-two billion, four hundred fifty-four million, four hundred four thousand, three hundred forty-three".

Divisors: 1 317 1571 286049 498007 90677533 449382979 142454404343