Base | Representation |
---|---|
bin | 10001010100010… |
… | …10010110001110 |
3 | 101010100111012020 |
4 | 20222022112032 |
5 | 244142121113 |
6 | 22225351010 |
7 | 3412530105 |
oct | 1052122616 |
9 | 333314166 |
10 | 145270158 |
11 | 75001690 |
12 | 40798466 |
13 | 24134097 |
14 | 1541703c |
15 | cb48023 |
hex | 8a8a58e |
145270158 has 32 divisors (see below), whose sum is σ = 322157952. Its totient is φ = 43298400.
The previous prime is 145270133. The next prime is 145270159. The reversal of 145270158 is 851072541.
It is a super-2 number, since 2×1452701582 = 42206837610689928, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145270159) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14016 + ... + 22067.
It is an arithmetic number, because the mean of its divisors is an integer number (10067436).
Almost surely, 2145270158 is an apocalyptic number.
145270158 is an abundant number, since it is smaller than the sum of its proper divisors (176887794).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145270158 is a wasteful number, since it uses less digits than its factorization.
145270158 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36160.
The product of its (nonzero) digits is 11200, while the sum is 33.
The square root of 145270158 is about 12052.8070589386. The cubic root of 145270158 is about 525.6848604089.
The spelling of 145270158 in words is "one hundred forty-five million, two hundred seventy thousand, one hundred fifty-eight".
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