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145407463 is a prime number
BaseRepresentation
bin10001010101010…
…11110111100111
3101010121110112121
420222223313213
5244211014323
622232330411
73413641315
oct1052536747
9333543477
10145407463
1175095863
1240843a07
1324181726
14154510b5
15cb73a5d
hex8aabde7

145407463 has 2 divisors, whose sum is σ = 145407464. Its totient is φ = 145407462.

The previous prime is 145407439. The next prime is 145407491. The reversal of 145407463 is 364704541.

It is a weak prime.

It is an emirp because it is prime and its reverse (364704541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145407463 - 213 = 145399271 is a prime.

It is a super-2 number, since 2×1454074632 = 42286660592192738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145477463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72703731 + 72703732.

It is an arithmetic number, because the mean of its divisors is an integer number (72703732).

Almost surely, 2145407463 is an apocalyptic number.

145407463 is a deficient number, since it is larger than the sum of its proper divisors (1).

145407463 is an equidigital number, since it uses as much as digits as its factorization.

145407463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 145407463 is about 12058.5016896794. The cubic root of 145407463 is about 525.8504287820.

The spelling of 145407463 in words is "one hundred forty-five million, four hundred seven thousand, four hundred sixty-three".