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145244334 = 2324207389
BaseRepresentation
bin10001010100001…
…00000010101110
3101010022011202210
420222010002232
5244140304314
622225031250
73412361604
oct1052040256
9333264683
10145244334
1174a94244
1240785526
13241253c1
141540b874
15cb40559
hex8a840ae

145244334 has 8 divisors (see below), whose sum is σ = 290488680. Its totient is φ = 48414776.

The previous prime is 145244299. The next prime is 145244339. The reversal of 145244334 is 433442541.

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

145244334 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145244339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12103689 + ... + 12103700.

It is an arithmetic number, because the mean of its divisors is an integer number (36311085).

Almost surely, 2145244334 is an apocalyptic number.

145244334 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

145244334 is a wasteful number, since it uses less digits than its factorization.

145244334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24207394.

The product of its digits is 23040, while the sum is 30.

The square root of 145244334 is about 12051.7357256123. The cubic root of 145244334 is about 525.6537090458.

Adding to 145244334 its reverse (433442541), we get a palindrome (578686875).

The spelling of 145244334 in words is "one hundred forty-five million, two hundred forty-four thousand, three hundred thirty-four".

Divisors: 1 2 3 6 24207389 48414778 72622167 145244334