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142503425 = 5210156437
BaseRepresentation
bin10000111111001…
…10111000000001
3100221010220221122
420133212320001
5242440102200
622050202025
73350154611
oct1037467001
9327126848
10142503425
1173491a29
123b883315
13236a596c
1414cd6a41
15c79d385
hex87e6e01

142503425 has 12 divisors (see below), whose sum is σ = 178456956. Its totient is φ = 112872000.

The previous prime is 142503397. The next prime is 142503463. The reversal of 142503425 is 524305241.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 18671041 + 123832384 = 4321^2 + 11128^2 .

It is not a de Polignac number, because 142503425 - 210 = 142502401 is a prime.

It is a super-2 number, since 2×1425034252 = 40614452273461250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142503394 and 142503403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25694 + ... + 30743.

It is an arithmetic number, because the mean of its divisors is an integer number (14871413).

Almost surely, 2142503425 is an apocalyptic number.

It is an amenable number.

142503425 is a deficient number, since it is larger than the sum of its proper divisors (35953531).

142503425 is a wasteful number, since it uses less digits than its factorization.

142503425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56548 (or 56543 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 142503425 is about 11937.4798429149. The cubic root of 142503425 is about 522.3261480624.

Adding to 142503425 its reverse (524305241), we get a palindrome (666808666).

The spelling of 142503425 in words is "one hundred forty-two million, five hundred three thousand, four hundred twenty-five".

Divisors: 1 5 25 101 505 2525 56437 282185 1410925 5700137 28500685 142503425