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145202542451 is a prime number
BaseRepresentation
bin1000011100111010111…
…1101111011101110011
3111212210102012102022122
42013032233233131303
54334333322324301
6150412150224455
713330153150361
oct2071657573563
9455712172278
10145202542451
11566420602aa
122418405512b
1310900688195
147056574631
153b9c83581b
hex21cebef773

145202542451 has 2 divisors, whose sum is σ = 145202542452. Its totient is φ = 145202542450.

The previous prime is 145202542421. The next prime is 145202542519. The reversal of 145202542451 is 154245202541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145202542451 - 226 = 145135433587 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (145202542421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72601271225 + 72601271226.

It is an arithmetic number, because the mean of its divisors is an integer number (72601271226).

Almost surely, 2145202542451 is an apocalyptic number.

145202542451 is a deficient number, since it is larger than the sum of its proper divisors (1).

145202542451 is an equidigital number, since it uses as much as digits as its factorization.

145202542451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64000, while the sum is 35.

Adding to 145202542451 its reverse (154245202541), we get a palindrome (299447744992).

The spelling of 145202542451 in words is "one hundred forty-five billion, two hundred two million, five hundred forty-two thousand, four hundred fifty-one".