Search a number
-
+
145142743707 = 32132269354743
BaseRepresentation
bin1000011100101100101…
…1101000001010011011
3111212122020200022212100
42013023023220022123
54334223020244312
6150402212414443
713325525652123
oct2071313501233
9455566608770
10145142743707
1156611327655
1224168017423
13108c117ba00
14704c649c83
153b974725dc
hex21cb2e829b

145142743707 has 36 divisors (see below), whose sum is σ = 227862713520. Its totient is φ = 88986321216.

The previous prime is 145142743703. The next prime is 145142743741. The reversal of 145142743707 is 707347241541.

145142743707 is a `hidden beast` number, since 1 + 4 + 5 + 1 + 4 + 274 + 370 + 7 = 666.

It is not a de Polignac number, because 145142743707 - 22 = 145142743703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145142743703) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 231778 + ... + 586520.

It is an arithmetic number, because the mean of its divisors is an integer number (6329519820).

Almost surely, 2145142743707 is an apocalyptic number.

145142743707 is a deficient number, since it is larger than the sum of its proper divisors (82719969813).

145142743707 is a wasteful number, since it uses less digits than its factorization.

145142743707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355044 (or 355028 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 45.

The spelling of 145142743707 in words is "one hundred forty-five billion, one hundred forty-two million, seven hundred forty-three thousand, seven hundred seven".

Divisors: 1 3 9 13 39 117 169 269 507 807 1521 2421 3497 10491 31473 45461 136383 354743 409149 1064229 3192687 4611659 13834977 41504931 59951567 95425867 179854701 286277601 539564103 858832803 1240536271 3721608813 11164826439 16126971523 48380914569 145142743707