Search a number
-
+
145240014 = 2371340939
BaseRepresentation
bin10001010100000…
…10111111001110
3101010021221211210
420222002333032
5244140140024
622224555250
73412343163
oct1052027716
9333257753
10145240014
1174a90a77
1240782b26
132412344a
141540a06a
15cb3e129
hex8a82fce

145240014 has 16 divisors (see below), whose sum is σ = 294572160. Its totient is φ = 47731320.

The previous prime is 145240013. The next prime is 145240019. The reversal of 145240014 is 410042541.

It is a happy number.

145240014 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145240013) 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, 170044 + ... + 170895.

It is an arithmetic number, because the mean of its divisors is an integer number (18410760).

Almost surely, 2145240014 is an apocalyptic number.

145240014 is an abundant number, since it is smaller than the sum of its proper divisors (149332146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145240014 is a wasteful number, since it uses less digits than its factorization.

145240014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341015.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 145240014 is about 12051.5564969841. The cubic root of 145240014 is about 525.6484974907.

Adding to 145240014 its reverse (410042541), we get a palindrome (555282555).

The spelling of 145240014 in words is "one hundred forty-five million, two hundred forty thousand, fourteen".

Divisors: 1 2 3 6 71 142 213 426 340939 681878 1022817 2045634 24206669 48413338 72620007 145240014