Search a number
-
+
142707437 is a prime number
BaseRepresentation
bin10001000000110…
…00101011101101
3100221112021210122
420200120223231
5243013114222
622054414325
73351664445
oct1040305355
9327467718
10142707437
1173611234
123b9613a5
1323747792
1414d4b125
15c7dda42
hex8818aed

142707437 has 2 divisors, whose sum is σ = 142707438. Its totient is φ = 142707436.

The previous prime is 142707421. The next prime is 142707443. The reversal of 142707437 is 734707241.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113827561 + 28879876 = 10669^2 + 5374^2 .

It is a cyclic number.

It is not a de Polignac number, because 142707437 - 24 = 142707421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142707397 and 142707406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142707407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71353718 + 71353719.

It is an arithmetic number, because the mean of its divisors is an integer number (71353719).

Almost surely, 2142707437 is an apocalyptic number.

It is an amenable number.

142707437 is a deficient number, since it is larger than the sum of its proper divisors (1).

142707437 is an equidigital number, since it uses as much as digits as its factorization.

142707437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32928, while the sum is 35.

The square root of 142707437 is about 11946.0218064425. The cubic root of 142707437 is about 522.5752882513.

The spelling of 142707437 in words is "one hundred forty-two million, seven hundred seven thousand, four hundred thirty-seven".