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145077943 is a prime number
BaseRepresentation
bin10001010010110…
…11011010110111
3101002222201112011
420221123122313
5244114443233
622221305051
73411066523
oct1051333267
9332881464
10145077943
117499022a
1240705187
132409774a
14153a6d83
15cb0b0cd
hex8a5b6b7

145077943 has 2 divisors, whose sum is σ = 145077944. Its totient is φ = 145077942.

The previous prime is 145077917. The next prime is 145077971. The reversal of 145077943 is 349770541.

It is a weak prime.

It is an emirp because it is prime and its reverse (349770541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145077943 - 29 = 145077431 is a prime.

It is a super-2 number, since 2×1450779432 = 42095219090222498, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145077896 and 145077905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145077913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72538971 + 72538972.

It is an arithmetic number, because the mean of its divisors is an integer number (72538972).

Almost surely, 2145077943 is an apocalyptic number.

145077943 is a deficient number, since it is larger than the sum of its proper divisors (1).

145077943 is an equidigital number, since it uses as much as digits as its factorization.

145077943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 145077943 is about 12044.8305509044. The cubic root of 145077943 is about 525.4529038127.

The spelling of 145077943 in words is "one hundred forty-five million, seventy-seven thousand, nine hundred forty-three".