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145405562459 is a prime number
BaseRepresentation
bin1000011101101011011…
…0001100111001011011
3111220022120012220102012
42013122312030321123
54340242310444314
6150444241500135
713335166613423
oct2073266147133
9456276186365
10145405562459
1156736716233
122422004164b
131093375bc71
147075501483
153bb058993e
hex21dad8ce5b

145405562459 has 2 divisors, whose sum is σ = 145405562460. Its totient is φ = 145405562458.

The previous prime is 145405562431. The next prime is 145405562551. The reversal of 145405562459 is 954265504541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145405562459 - 216 = 145405496923 is a prime.

It is a super-2 number, since 2×1454055624592 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145455562459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72702781229 + 72702781230.

It is an arithmetic number, because the mean of its divisors is an integer number (72702781230).

Almost surely, 2145405562459 is an apocalyptic number.

145405562459 is a deficient number, since it is larger than the sum of its proper divisors (1).

145405562459 is an equidigital number, since it uses as much as digits as its factorization.

145405562459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320000, while the sum is 50.

The spelling of 145405562459 in words is "one hundred forty-five billion, four hundred five million, five hundred sixty-two thousand, four hundred fifty-nine".