Search a number
-
+
142904963 is a prime number
BaseRepresentation
bin10001000010010…
…00111010000011
3100221220022202102
420201020322003
5243040424323
622102541015
73353446355
oct1041107203
9327808672
10142904963
1173736683
123ba3776b
13237b6666
1414d9d0d5
15c82c328
hex8848e83

142904963 has 2 divisors, whose sum is σ = 142904964. Its totient is φ = 142904962.

The previous prime is 142904939. The next prime is 142904977. The reversal of 142904963 is 369409241.

It is a strong prime.

It is an emirp because it is prime and its reverse (369409241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142904963 - 210 = 142903939 is a prime.

It is not a weakly prime, because it can be changed into another prime (142904933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71452481 + 71452482.

It is an arithmetic number, because the mean of its divisors is an integer number (71452482).

Almost surely, 2142904963 is an apocalyptic number.

142904963 is a deficient number, since it is larger than the sum of its proper divisors (1).

142904963 is an equidigital number, since it uses as much as digits as its factorization.

142904963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 142904963 is about 11954.2863860625. The cubic root of 142904963 is about 522.8162815748.

The spelling of 142904963 in words is "one hundred forty-two million, nine hundred four thousand, nine hundred sixty-three".