Search a number
-
+
145180703 = 1071356829
BaseRepresentation
bin10001010011101…
…00100000011111
3101010011221111002
420221310200133
5244131240303
622223420515
73412005233
oct1051644037
9333157432
10145180703
1174a50458
124075473b
1324102455
14153d25c3
15cb2b788
hex8a7481f

145180703 has 4 divisors (see below), whose sum is σ = 146537640. Its totient is φ = 143823768.

The previous prime is 145180687. The next prime is 145180741. The reversal of 145180703 is 307081541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 307081541 = 1323621657.

It is a cyclic number.

It is not a de Polignac number, because 145180703 - 24 = 145180687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145189703) 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 3 ways as a sum of consecutive naturals, for example, 678308 + ... + 678521.

It is an arithmetic number, because the mean of its divisors is an integer number (36634410).

Almost surely, 2145180703 is an apocalyptic number.

145180703 is a deficient number, since it is larger than the sum of its proper divisors (1356937).

145180703 is a wasteful number, since it uses less digits than its factorization.

145180703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356936.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 145180703 is about 12049.0955262210. The cubic root of 145180703 is about 525.5769355247.

The spelling of 145180703 in words is "one hundred forty-five million, one hundred eighty thousand, seven hundred three".

Divisors: 1 107 1356829 145180703