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145500044 = 22199182789
BaseRepresentation
bin10001010110000…
…10011110001100
3101010210011112112
420223002132030
5244222000134
622234323152
73414505244
oct1053023614
9333704475
10145500044
1175149378
12408894b8
13241b4901
1415476b24
15cb911ce
hex8ac278c

145500044 has 12 divisors (see below), whose sum is σ = 255906000. Its totient is φ = 72384048.

The previous prime is 145500029. The next prime is 145500071. The reversal of 145500044 is 440005541.

It is a junction number, because it is equal to n+sod(n) for n = 145499992 and 145500019.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90599 + ... + 92190.

It is an arithmetic number, because the mean of its divisors is an integer number (21325500).

Almost surely, 2145500044 is an apocalyptic number.

It is an amenable number.

145500044 is a deficient number, since it is larger than the sum of its proper divisors (110405956).

145500044 is a wasteful number, since it uses less digits than its factorization.

145500044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182992 (or 182990 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 145500044 is about 12062.3399056734. The cubic root of 145500044 is about 525.9620081761.

Adding to 145500044 its reverse (440005541), we get a palindrome (585505585).

The spelling of 145500044 in words is "one hundred forty-five million, five hundred thousand, forty-four".

Divisors: 1 2 4 199 398 796 182789 365578 731156 36375011 72750022 145500044