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144463406 = 272231703
BaseRepresentation
bin10001001110001…
…01011000101110
3101001211111112112
420213011120232
5243440312111
622200204022
73402630053
oct1047053056
9331744475
10144463406
117460054a
1240469612
1323c10b09
141528702a
15ca38e8b
hex89c562e

144463406 has 4 divisors (see below), whose sum is σ = 216695112. Its totient is φ = 72231702.

The previous prime is 144463351. The next prime is 144463411. The reversal of 144463406 is 604364441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 604364441 = 4314054987.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36115850 + ... + 36115853.

It is an arithmetic number, because the mean of its divisors is an integer number (54173778).

Almost surely, 2144463406 is an apocalyptic number.

144463406 is a deficient number, since it is larger than the sum of its proper divisors (72231706).

144463406 is an equidigital number, since it uses as much as digits as its factorization.

144463406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72231705.

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 144463406 is about 12019.2930740539. The cubic root of 144463406 is about 524.7099301625.

The spelling of 144463406 in words is "one hundred forty-four million, four hundred sixty-three thousand, four hundred six".

Divisors: 1 2 72231703 144463406