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145044422 = 272522211
BaseRepresentation
bin10001010010100…
…11001111000110
3101002221000112122
420221103033012
5244112410142
622220445542
73410600015
oct1051231706
9332830478
10145044422
1174968026
12406a98b2
1324085403
1415398a7c
15cb011d2
hex8a533c6

145044422 has 4 divisors (see below), whose sum is σ = 217566636. Its totient is φ = 72522210.

The previous prime is 145044421. The next prime is 145044439. The reversal of 145044422 is 224440541.

145044422 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 145044391 and 145044400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145044421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36261104 + ... + 36261107.

It is an arithmetic number, because the mean of its divisors is an integer number (54391659).

Almost surely, 2145044422 is an apocalyptic number.

145044422 is a deficient number, since it is larger than the sum of its proper divisors (72522214).

145044422 is an equidigital number, since it uses as much as digits as its factorization.

145044422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72522213.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 145044422 is about 12043.4389606956. The cubic root of 145044422 is about 525.4124311694.

Adding to 145044422 its reverse (224440541), we get a palindrome (369484963).

The spelling of 145044422 in words is "one hundred forty-five million, forty-four thousand, four hundred twenty-two".

Divisors: 1 2 72522211 145044422