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145444144315 = 542016924263
BaseRepresentation
bin1000011101110100100…
…1011000010010111011
3111220102020211001202211
42013131021120102323
54340332200104230
6150452140435551
713336145554111
oct2073511302273
9456366731684
10145444144315
1156756478368
1224230b48bb7
131093b74a172
14707a6a5ab1
153bb3b5b42a
hex21dd2584bb

145444144315 has 8 divisors (see below), whose sum is σ = 174574543968. Its totient is φ = 116327601600.

The previous prime is 145444144291. The next prime is 145444144337. The reversal of 145444144315 is 513441444541.

145444144315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145444144315 - 217 = 145444013243 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3441127 + ... + 3483136.

It is an arithmetic number, because the mean of its divisors is an integer number (21821817996).

Almost surely, 2145444144315 is an apocalyptic number.

145444144315 is a deficient number, since it is larger than the sum of its proper divisors (29130399653).

145444144315 is an equidigital number, since it uses as much as digits as its factorization.

145444144315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6928469.

The product of its digits is 307200, while the sum is 40.

Adding to 145444144315 its reverse (513441444541), we get a palindrome (658885588856).

The spelling of 145444144315 in words is "one hundred forty-five billion, four hundred forty-four million, one hundred forty-four thousand, three hundred fifteen".

Divisors: 1 5 4201 21005 6924263 34621315 29088828863 145444144315