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145213167 = 31117258847
BaseRepresentation
bin10001010011111…
…00011011101111
3101010020121000110
420221330123233
5244133310132
622224231103
73412202001
oct1051743357
9333217013
10145213167
1174a72890
124076b493
1324114168
1415400371
15cb361cc
hex8a7c6ef

145213167 has 16 divisors (see below), whose sum is σ = 223644672. Its totient is φ = 82830720.

The previous prime is 145213157. The next prime is 145213169. The reversal of 145213167 is 761312541.

It is not a de Polignac number, because 145213167 - 24 = 145213151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145213169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128863 + ... + 129984.

It is an arithmetic number, because the mean of its divisors is an integer number (13977792).

Almost surely, 2145213167 is an apocalyptic number.

145213167 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

145213167 is a deficient number, since it is larger than the sum of its proper divisors (78431505).

145213167 is a wasteful number, since it uses less digits than its factorization.

145213167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258878.

The product of its digits is 5040, while the sum is 30.

The square root of 145213167 is about 12050.4426059793. The cubic root of 145213167 is about 525.6161075305.

It can be divided in two parts, 145 and 213167, that added together give a palindrome (213312).

The spelling of 145213167 in words is "one hundred forty-five million, two hundred thirteen thousand, one hundred sixty-seven".

Divisors: 1 3 11 17 33 51 187 561 258847 776541 2847317 4400399 8541951 13201197 48404389 145213167