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142344341 = 473028603
BaseRepresentation
bin10000111110000…
…00000010010101
3100220211211201122
420133000002111
5242420004331
622042533325
73345623036
oct1037000225
9326754648
10142344341
1173393457
123b807245
132364b429
1414c94a8d
15c76b17b
hex87c0095

142344341 has 4 divisors (see below), whose sum is σ = 145372992. Its totient is φ = 139315692.

The previous prime is 142344331. The next prime is 142344361. The reversal of 142344341 is 143443241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 142344341 - 26 = 142344277 is a prime.

It is a super-2 number, since 2×1423443412 = 40523822829448562, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 142344341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142344331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1514255 + ... + 1514348.

It is an arithmetic number, because the mean of its divisors is an integer number (36343248).

Almost surely, 2142344341 is an apocalyptic number.

It is an amenable number.

142344341 is a deficient number, since it is larger than the sum of its proper divisors (3028651).

142344341 is an equidigital number, since it uses as much as digits as its factorization.

142344341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028650.

The product of its digits is 4608, while the sum is 26.

The square root of 142344341 is about 11930.8147668129. The cubic root of 142344341 is about 522.1317090568.

Adding to 142344341 its reverse (143443241), we get a palindrome (285787582).

The spelling of 142344341 in words is "one hundred forty-two million, three hundred forty-four thousand, three hundred forty-one".

Divisors: 1 47 3028603 142344341