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144125545 = 51937131313
BaseRepresentation
bin10001001011100…
…10111001101001
3101001012100002011
420211302321221
5243344004140
622145035521
73400022044
oct1045627151
9331170064
10144125545
117439a723
1240325ba1
1323b230b5
14151d9c5b
15c9bdcea
hex8972e69

144125545 has 32 divisors (see below), whose sum is σ = 189002880. Its totient is φ = 105131520.

The previous prime is 144125543. The next prime is 144125549. The reversal of 144125545 is 545521441.

It is a happy number.

144125545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144125545 - 21 = 144125543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144125543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 460309 + ... + 460621.

It is an arithmetic number, because the mean of its divisors is an integer number (5906340).

Almost surely, 2144125545 is an apocalyptic number.

It is an amenable number.

144125545 is a deficient number, since it is larger than the sum of its proper divisors (44877335).

144125545 is a wasteful number, since it uses less digits than its factorization.

144125545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505.

The product of its digits is 16000, while the sum is 31.

The square root of 144125545 is about 12005.2299020052. The cubic root of 144125545 is about 524.3005591227.

Adding to 144125545 its reverse (545521441), we get a palindrome (689646986).

The spelling of 144125545 in words is "one hundred forty-four million, one hundred twenty-five thousand, five hundred forty-five".

Divisors: 1 5 19 37 95 131 185 313 655 703 1565 2489 3515 4847 5947 11581 12445 24235 29735 41003 57905 92093 205015 220039 460465 779057 1100195 1517111 3895285 7585555 28825109 144125545