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145283322851 = 199730066949
BaseRepresentation
bin1000011101001110001…
…1111001001111100011
3111220000001012111012022
42013103203321033203
54340020012312401
6150424153452055
713332153603632
oct2072343711743
9456001174168
10145283322851
1156683714867
12241a711102b
131091432c834
1470631a1519
153ba499071b
hex21d38f93e3

145283322851 has 4 divisors (see below), whose sum is σ = 146013390000. Its totient is φ = 144553255704.

The previous prime is 145283322809. The next prime is 145283322857. The reversal of 145283322851 is 158223382541.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145283322851 - 218 = 145283060707 is a prime.

It is a super-2 number, since 2×1452833228512 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145283322857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365033276 + ... + 365033673.

It is an arithmetic number, because the mean of its divisors is an integer number (36503347500).

Almost surely, 2145283322851 is an apocalyptic number.

145283322851 is a deficient number, since it is larger than the sum of its proper divisors (730067149).

145283322851 is an equidigital number, since it uses as much as digits as its factorization.

145283322851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730067148.

The product of its digits is 460800, while the sum is 44.

The spelling of 145283322851 in words is "one hundred forty-five billion, two hundred eighty-three million, three hundred twenty-two thousand, eight hundred fifty-one".

Divisors: 1 199 730066949 145283322851