Search a number
-
+
145024423 = 374391153
BaseRepresentation
bin10001010010011…
…10010110100111
3101002220000002221
420221032112213
5244111240143
622220213211
73410454505
oct1051162647
9332800087
10145024423
1174953aa5
124069a207
132407928b
1415391675
15caea2ed
hex8a4e5a7

145024423 has 8 divisors (see below), whose sum is σ = 152409488. Its totient is φ = 137821824.

The previous prime is 145024393. The next prime is 145024427. The reversal of 145024423 is 324420541.

It is a happy number.

145024423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145024423 - 217 = 144893351 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 (145024427) 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, 43986 + ... + 47167.

It is an arithmetic number, because the mean of its divisors is an integer number (19051186).

Almost surely, 2145024423 is an apocalyptic number.

145024423 is a deficient number, since it is larger than the sum of its proper divisors (7385065).

145024423 is an equidigital number, since it uses as much as digits as its factorization.

145024423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91233.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 145024423 is about 12042.6086459704. The cubic root of 145024423 is about 525.3882817719.

Adding to 145024423 its reverse (324420541), we get a palindrome (469444964).

The spelling of 145024423 in words is "one hundred forty-five million, twenty-four thousand, four hundred twenty-three".

Divisors: 1 37 43 1591 91153 3372661 3919579 145024423