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BaseRepresentation
bin1000011111101100111…
…0010100010111111011
3111221201102022222010011
42013323032110113323
54342400340133301
6151014204202351
713354513644442
oct2077316242773
9457642288104
10145948755451
11569952a4164
1224351b393b7
13109bc158035
1470c76dbd59
153be30d5a51
hex21fb3945fb

145948755451 has 2 divisors, whose sum is σ = 145948755452. Its totient is φ = 145948755450.

The previous prime is 145948755437. The next prime is 145948755457. The reversal of 145948755451 is 154557849541.

It is a strong prime.

It is an emirp because it is prime and its reverse (154557849541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145948755451 - 235 = 111589017083 is a prime.

It is not a weakly prime, because it can be changed into another prime (145948755457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72974377725 + 72974377726.

It is an arithmetic number, because the mean of its divisors is an integer number (72974377726).

Almost surely, 2145948755451 is an apocalyptic number.

145948755451 is a deficient number, since it is larger than the sum of its proper divisors (1).

145948755451 is an equidigital number, since it uses as much as digits as its factorization.

145948755451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160000, while the sum is 58.

The spelling of 145948755451 in words is "one hundred forty-five billion, nine hundred forty-eight million, seven hundred fifty-five thousand, four hundred fifty-one".