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142466461 is a prime number
BaseRepresentation
bin10000111110111…
…01110110011101
3100221002001020121
420133131312131
5242432411321
622045314541
73346642054
oct1037356635
9327061217
10142466461
1173467185
123b865a51
1323691ba7
1414cc739b
15c792441
hex87ddd9d

142466461 has 2 divisors, whose sum is σ = 142466462. Its totient is φ = 142466460.

The previous prime is 142466453. The next prime is 142466543. The reversal of 142466461 is 164664241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114704100 + 27762361 = 10710^2 + 5269^2 .

It is a cyclic number.

It is not a de Polignac number, because 142466461 - 23 = 142466453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142466411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71233230 + 71233231.

It is an arithmetic number, because the mean of its divisors is an integer number (71233231).

Almost surely, 2142466461 is an apocalyptic number.

It is an amenable number.

142466461 is a deficient number, since it is larger than the sum of its proper divisors (1).

142466461 is an equidigital number, since it uses as much as digits as its factorization.

142466461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 34.

The square root of 142466461 is about 11935.9315095220. The cubic root of 142466461 is about 522.2809820524.

The spelling of 142466461 in words is "one hundred forty-two million, four hundred sixty-six thousand, four hundred sixty-one".