Search a number
-
+
145039258917 = 3272302210459
BaseRepresentation
bin1000011100010100000…
…0110111010100100101
3111212101000221202102100
42013011000313110211
54334020022241132
6150344034402313
713323131234160
oct2070500672445
9455330852370
10145039258917
1156568975a33
1224139430399
13108a58b7cc7
14703c9ccad7
153b8d33037c
hex21c5037525

145039258917 has 12 divisors (see below), whose sum is σ = 239429887840. Its totient is φ = 82879576488.

The previous prime is 145039258907. The next prime is 145039258937. The reversal of 145039258917 is 719852930541.

It is a happy number.

145039258917 is a `hidden beast` number, since 1 + 4 + 50 + 3 + 9 + 2 + 589 + 1 + 7 = 666.

It is not a de Polignac number, because 145039258917 - 216 = 145039193381 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 (145039258907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1151105167 + ... + 1151105292.

Almost surely, 2145039258917 is an apocalyptic number.

It is an amenable number.

145039258917 is a deficient number, since it is larger than the sum of its proper divisors (94390628923).

145039258917 is a wasteful number, since it uses less digits than its factorization.

145039258917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2302210472 (or 2302210469 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 54.

The spelling of 145039258917 in words is "one hundred forty-five billion, thirty-nine million, two hundred fifty-eight thousand, nine hundred seventeen".

Divisors: 1 3 7 9 21 63 2302210459 6906631377 16115473213 20719894131 48346419639 145039258917