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145183753 = 11131039857
BaseRepresentation
bin10001010011101…
…01010000001001
3101010012002200001
420221311100021
5244131340003
622223443001
73412020151
oct1051652011
9333162601
10145183753
1174a52780
1240756461
1324103960
14153d3761
15cb2c61d
hex8a75409

145183753 has 16 divisors (see below), whose sum is σ = 172238976. Its totient is φ = 120637440.

The previous prime is 145183741. The next prime is 145183793. The reversal of 145183753 is 357381541.

It is not a de Polignac number, because 145183753 - 217 = 145052681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145183793) 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 15 ways as a sum of consecutive naturals, for example, 9801 + ... + 19657.

It is an arithmetic number, because the mean of its divisors is an integer number (10764936).

Almost surely, 2145183753 is an apocalyptic number.

145183753 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

145183753 is a deficient number, since it is larger than the sum of its proper divisors (27055223).

145183753 is a wasteful number, since it uses less digits than its factorization.

145183753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9984.

The product of its digits is 50400, while the sum is 37.

The square root of 145183753 is about 12049.2220910729. Note that the first 3 decimals coincide. The cubic root of 145183753 is about 525.5806159918.

The spelling of 145183753 in words is "one hundred forty-five million, one hundred eighty-three thousand, seven hundred fifty-three".

Divisors: 1 11 13 103 143 1133 1339 9857 14729 108427 128141 1015271 1409551 11167981 13198523 145183753