Search a number
-
+
144345192 = 2339536311
BaseRepresentation
bin10001001101010…
…00100001101000
3101001121111101020
420212220201220
5243423021232
622153452440
73401625315
oct1046504150
9331544336
10144345192
117452a752
1240411120
1323b9c074
1415255d0c
15ca13e2c
hex89a8868

144345192 has 32 divisors (see below), whose sum is σ = 361298880. Its totient is φ = 48056960.

The previous prime is 144345191. The next prime is 144345197. The reversal of 144345192 is 291543441.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (144345191) 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, 19717 + ... + 26027.

It is an arithmetic number, because the mean of its divisors is an integer number (11290590).

Almost surely, 2144345192 is an apocalyptic number.

144345192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144345192 is an abundant number, since it is smaller than the sum of its proper divisors (216953688).

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

144345192 is a wasteful number, since it uses less digits than its factorization.

144345192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7273 (or 7269 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 144345192 is about 12014.3743907038. The cubic root of 144345192 is about 524.5667682176.

The spelling of 144345192 in words is "one hundred forty-four million, three hundred forty-five thousand, one hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 24 953 1906 2859 3812 5718 6311 7624 11436 12622 18933 22872 25244 37866 50488 75732 151464 6014383 12028766 18043149 24057532 36086298 48115064 72172596 144345192