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142542314 = 2172246613
BaseRepresentation
bin10000111111100…
…00010111101010
3100221012220021222
420133300113222
5242442323224
622051102042
73350406155
oct1037602752
9327186258
10142542314
1173509172
123b8a1922
13236ba585
1414d06c9c
15c7a9b5e
hex87f05ea

142542314 has 12 divisors (see below), whose sum is σ = 227131494. Its totient is φ = 67078464.

The previous prime is 142542277. The next prime is 142542319. The reversal of 142542314 is 413245241.

It can be written as a sum of positive squares in 3 ways, for example, as 126180289 + 16362025 = 11233^2 + 4045^2 .

It is a super-2 number, since 2×1425423142 = 40636622560949192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142542319) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 122729 + ... + 123884.

Almost surely, 2142542314 is an apocalyptic number.

142542314 is a deficient number, since it is larger than the sum of its proper divisors (84589180).

142542314 is a wasteful number, since it uses less digits than its factorization.

142542314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246649 (or 246632 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 142542314 is about 11939.1085931907. The cubic root of 142542314 is about 522.3736577838.

Adding to 142542314 its reverse (413245241), we get a palindrome (555787555).

The spelling of 142542314 in words is "one hundred forty-two million, five hundred forty-two thousand, three hundred fourteen".

Divisors: 1 2 17 34 289 578 246613 493226 4192421 8384842 71271157 142542314