Search a number
-
+
145707039 = 335396557
BaseRepresentation
bin10001010111101…
…01000000011111
3101011011200111000
420223311000133
5244300111124
622243001343
73416326602
oct1053650037
9334150430
10145707039
117527a945
1240969253
1324257baa
14154cc339
15cbd26c9
hex8af501f

145707039 has 8 divisors (see below), whose sum is σ = 215862320. Its totient is φ = 97138008.

The previous prime is 145707031. The next prime is 145707053. The reversal of 145707039 is 930707541.

It is a happy number.

145707039 is a `hidden beast` number, since 14 + 570 + 70 + 3 + 9 = 666.

145707039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145707039 - 23 = 145707031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145706994 and 145707012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145707031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2698252 + ... + 2698305.

It is an arithmetic number, because the mean of its divisors is an integer number (26982790).

Almost surely, 2145707039 is an apocalyptic number.

145707039 is a deficient number, since it is larger than the sum of its proper divisors (70155281).

145707039 is an equidigital number, since it uses as much as digits as its factorization.

145707039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5396566 (or 5396560 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 145707039 is about 12070.9170736941. The cubic root of 145707039 is about 526.2113091732.

It can be divided in two parts, 14570 and 7039, that added together give a square (21609 = 1472).

The spelling of 145707039 in words is "one hundred forty-five million, seven hundred seven thousand, thirty-nine".

Divisors: 1 3 9 27 5396557 16189671 48569013 145707039