Search a number
-
+
145555508 = 22712594129
BaseRepresentation
bin10001010110100…
…00000000110100
3101010212222121202
420223100000310
5244230234013
622235432032
73415126040
oct1053200064
9333788552
10145555508
117518700a
12408b5618
1324203c27
141548d020
15cba2858
hex8ad0034

145555508 has 24 divisors (see below), whose sum is σ = 291412800. Its totient is φ = 62316288.

The previous prime is 145555499. The next prime is 145555511. The reversal of 145555508 is 805555541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33188 + ... + 37316.

It is an arithmetic number, because the mean of its divisors is an integer number (12142200).

Almost surely, 2145555508 is an apocalyptic number.

It is an amenable number.

145555508 is an abundant number, since it is smaller than the sum of its proper divisors (145857292).

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

145555508 is a wasteful number, since it uses less digits than its factorization.

145555508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5399 (or 5397 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 38.

The square root of 145555508 is about 12064.6387430374. The cubic root of 145555508 is about 526.0288311819.

The spelling of 145555508 in words is "one hundred forty-five million, five hundred fifty-five thousand, five hundred eight".

Divisors: 1 2 4 7 14 28 1259 2518 4129 5036 8258 8813 16516 17626 28903 35252 57806 115612 5198411 10396822 20793644 36388877 72777754 145555508