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144551004 = 223131098501
BaseRepresentation
bin10001001110110…
…10110001011100
3101001222221200220
420213122301130
5244001113004
622202121340
73403443333
oct1047326134
9331887626
10144551004
1174660344
12404b0250
1323c41950
14152aad1a
15ca54dd9
hex89dac5c

144551004 has 48 divisors (see below), whose sum is σ = 366606240. Its totient is φ = 44064000.

The previous prime is 144550957. The next prime is 144551059. The reversal of 144551004 is 400155441.

It is a happy number.

144551004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12754 + ... + 21254.

It is an arithmetic number, because the mean of its divisors is an integer number (7637630).

Almost surely, 2144551004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144551004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183303120).

144551004 is an abundant number, since it is smaller than the sum of its proper divisors (222055236).

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

144551004 is a wasteful number, since it uses less digits than its factorization.

144551004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8630 (or 8628 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 144551004 is about 12022.9365797213. The cubic root of 144551004 is about 524.8159645200.

The spelling of 144551004 in words is "one hundred forty-four million, five hundred fifty-one thousand, four".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 109 156 218 327 436 654 1308 1417 2834 4251 5668 8501 8502 17002 17004 25503 34004 51006 102012 110513 221026 331539 442052 663078 926609 1326156 1853218 2779827 3706436 5559654 11119308 12045917 24091834 36137751 48183668 72275502 144551004