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145540124 = 2237397547
BaseRepresentation
bin10001010110011…
…00010000011100
3101010212012111222
420223030100130
5244224240444
622235232512
73415033142
oct1053142034
9333765458
10145540124
11751764a4
12408a8738
13241c9c22
1415487592
15cb9ceee
hex8acc41c

145540124 has 12 divisors (see below), whose sum is σ = 255380664. Its totient is φ = 72574224.

The previous prime is 145540123. The next prime is 145540127. The reversal of 145540124 is 421045541.

It is a junction number, because it is equal to n+sod(n) for n = 145540093 and 145540102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145540123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47282 + ... + 50265.

It is an arithmetic number, because the mean of its divisors is an integer number (21281722).

Almost surely, 2145540124 is an apocalyptic number.

It is an amenable number.

145540124 is a deficient number, since it is larger than the sum of its proper divisors (109840540).

145540124 is a wasteful number, since it uses less digits than its factorization.

145540124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97924 (or 97922 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 145540124 is about 12064.0011604774. The cubic root of 145540124 is about 526.0102982461.

Adding to 145540124 its reverse (421045541), we get a palindrome (566585665).

The spelling of 145540124 in words is "one hundred forty-five million, five hundred forty thousand, one hundred twenty-four".

Divisors: 1 2 4 373 746 1492 97547 195094 390188 36385031 72770062 145540124