Search a number
-
+
145104424 = 23231575023
BaseRepresentation
bin10001010011000…
…01111000101000
3101010001001211221
420221201320220
5244121320144
622222031424
73411236653
oct1051417050
9333031757
10145104424
11749a9113
1240718574
13240a680a
14153b289a
15cb13d84
hex8a61e28

145104424 has 32 divisors (see below), whose sum is σ = 285765120. Its totient is φ = 68942016.

The previous prime is 145104383. The next prime is 145104431. The reversal of 145104424 is 424401541.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26377 + ... + 31399.

It is an arithmetic number, because the mean of its divisors is an integer number (8930160).

Almost surely, 2145104424 is an apocalyptic number.

It is an amenable number.

145104424 is a deficient number, since it is larger than the sum of its proper divisors (140660696).

145104424 is a wasteful number, since it uses less digits than its factorization.

145104424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5209 (or 5205 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 145104424 is about 12045.9297690133. The cubic root of 145104424 is about 525.4848720811.

Adding to 145104424 its reverse (424401541), we get a palindrome (569505965).

The spelling of 145104424 in words is "one hundred forty-five million, one hundred four thousand, four hundred twenty-four".

Divisors: 1 2 4 8 23 46 92 157 184 314 628 1256 3611 5023 7222 10046 14444 20092 28888 40184 115529 231058 462116 788611 924232 1577222 3154444 6308888 18138053 36276106 72552212 145104424