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145103673 = 31113338237
BaseRepresentation
bin10001010011000…
…01101100111001
3101010001000211010
420221201230321
5244121304143
622222024133
73411234531
oct1051415471
9333030733
10145103673
11749a85a0
1240718049
13240a6380
14153b24c1
15cb13a33
hex8a61b39

145103673 has 16 divisors (see below), whose sum is σ = 227295936. Its totient is φ = 81176640.

The previous prime is 145103669. The next prime is 145103681. The reversal of 145103673 is 376301541.

It is not a de Polignac number, because 145103673 - 22 = 145103669 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145103673.

It is not an unprimeable number, because it can be changed into a prime (145103683) 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 in 15 ways as a sum of consecutive naturals, for example, 168690 + ... + 169547.

It is an arithmetic number, because the mean of its divisors is an integer number (14205996).

Almost surely, 2145103673 is an apocalyptic number.

145103673 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

145103673 is a deficient number, since it is larger than the sum of its proper divisors (82192263).

145103673 is a wasteful number, since it uses less digits than its factorization.

145103673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338264.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 145103673 is about 12045.8985966179. The cubic root of 145103673 is about 525.4839655160.

The spelling of 145103673 in words is "one hundred forty-five million, one hundred three thousand, six hundred seventy-three".

Divisors: 1 3 11 13 33 39 143 429 338237 1014711 3720607 4397081 11161821 13191243 48367891 145103673