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144525073 = 7111876949
BaseRepresentation
bin10001001110101…
…00011100010001
3101001221122010111
420213110130101
5243444300243
622201401321
73403304620
oct1047243421
9331848114
10144525073
1174642910
1240499241
1323c32bc4
14152a16b7
15ca4c39d
hex89d4711

144525073 has 8 divisors (see below), whose sum is σ = 180187200. Its totient is φ = 112616880.

The previous prime is 144525037. The next prime is 144525089. The reversal of 144525073 is 370525441.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-144525073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144525013) 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, 938398 + ... + 938551.

It is an arithmetic number, because the mean of its divisors is an integer number (22523400).

Almost surely, 2144525073 is an apocalyptic number.

It is an amenable number.

144525073 is a deficient number, since it is larger than the sum of its proper divisors (35662127).

144525073 is a wasteful number, since it uses less digits than its factorization.

144525073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876967.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 144525073 is about 12021.8581342486. The cubic root of 144525073 is about 524.7845804035.

The spelling of 144525073 in words is "one hundred forty-four million, five hundred twenty-five thousand, seventy-three".

Divisors: 1 7 11 77 1876949 13138643 20646439 144525073