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144457674 = 231011271877
BaseRepresentation
bin10001001110000…
…11111111001010
3101001211012200020
420213003333022
5243440121144
622200121310
73402604254
oct1047037712
9331735606
10144457674
11745a7209
1240466236
1323c0b31a
1415284cd4
15ca37419
hex89c3fca

144457674 has 32 divisors (see below), whose sum is σ = 294230016. Its totient is φ = 47275200.

The previous prime is 144457673. The next prime is 144457697. The reversal of 144457674 is 476754441.

It is not an unprimeable number, because it can be changed into a prime (144457673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76024 + ... + 77900.

It is an arithmetic number, because the mean of its divisors is an integer number (9194688).

Almost surely, 2144457674 is an apocalyptic number.

144457674 is an abundant number, since it is smaller than the sum of its proper divisors (149772342).

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

144457674 is a wasteful number, since it uses less digits than its factorization.

144457674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110.

The product of its digits is 376320, while the sum is 42.

The square root of 144457674 is about 12019.0546217246. The cubic root of 144457674 is about 524.7029902802.

The spelling of 144457674 in words is "one hundred forty-four million, four hundred fifty-seven thousand, six hundred seventy-four".

Divisors: 1 2 3 6 101 127 202 254 303 381 606 762 1877 3754 5631 11262 12827 25654 38481 76962 189577 238379 379154 476758 568731 715137 1137462 1430274 24076279 48152558 72228837 144457674